https://swchoi1994.github.io/blog/AI and technology news and analysis in Englishenhttps://swchoi1994.github.io/blog/posts/naver-224453324043/https://swchoi1994.github.io/blog/posts/naver-224453324043/AI can quickly create a travel itinerary, but you must separately verify closing days and travel times based on the date and departure time.Sun, 25 Oct 2026 11:03:33 +0000https://swchoi1994.github.io/blog/posts/naver-224453238784/https://swchoi1994.github.io/blog/posts/naver-224453238784/This checklist outlines what to verify before, during, and after AI translation so that names, numbers, dates, and other critical values are not silently changed.Sun, 25 Oct 2026 09:03:20 +0000https://swchoi1994.github.io/blog/posts/naver-224453219054/https://swchoi1994.github.io/blog/posts/naver-224453219054/Cursor announced desktop app control on October 23, 2026. Its iOS Simulator example shows why coding agents need clear tests for what happens after a click.Sun, 25 Oct 2026 08:38:00 +0000https://swchoi1994.github.io/blog/posts/naver-224453141545/https://swchoi1994.github.io/blog/posts/naver-224453141545/If calendar invitations from unknown people keep appearing, check Google Calendar’s automatic invitation settings, avoid suspicious links, and remove existing spam events separately.Sun, 25 Oct 2026 07:03:04 +0000https://swchoi1994.github.io/blog/posts/naver-224453047781/https://swchoi1994.github.io/blog/posts/naver-224453047781/This checklist, based on Gmail Help, explains how to sort receipt emails with labels, verify search conditions, review existing filters, and handle existing and new messages separately.Sun, 25 Oct 2026 05:02:33 +0000https://swchoi1994.github.io/blog/posts/naver-224452956576/https://swchoi1994.github.io/blog/posts/naver-224452956576/If you discover a sentence was accidentally deleted after multiple saves, Undo (Ctrl+Z) may not be enough. This article outlines the recovery steps based on Google Docs Help, while noting they were not tested on an actual document.Sun, 25 Oct 2026 03:03:02 +0000https://swchoi1994.github.io/blog/posts/naver-224452872906/https://swchoi1994.github.io/blog/posts/naver-224452872906/When sharing a Google Drive file, choose separately whether people with the link can view, comment, or edit; this article explains the differences and what to check before sharing.Sun, 25 Oct 2026 01:02:54 +0000https://swchoi1994.github.io/blog/posts/naver-224452812389/https://swchoi1994.github.io/blog/posts/naver-224452812389/PowerPoint fonts may change on another computer when the required font is unavailable. This article explains how to embed fonts, check embedding permissions, and verify settings before sending the file.Sat, 24 Oct 2026 23:02:49 +0000https://swchoi1994.github.io/blog/posts/naver-224452771777/https://swchoi1994.github.io/blog/posts/naver-224452771777/Word creates a table of contents from heading styles, so check and apply heading formatting before inserting and updating the table.Sat, 24 Oct 2026 21:02:55 +0000https://swchoi1994.github.io/blog/posts/naver-224452739395/https://swchoi1994.github.io/blog/posts/naver-224452739395/Learn how to create an Excel drop-down list with Data Validation, configure its source, and manage the list later based on Microsoft support documentation.Sat, 24 Oct 2026 19:04:36 +0000https://swchoi1994.github.io/blog/posts/naver-224452548314/https://swchoi1994.github.io/blog/posts/naver-224452548314/When Excel contains repeated order numbers or customer names, preserve the original and check which rows are duplicates before using Remove Duplicates, which Microsoft says permanently deletes duplicate data.Sat, 24 Oct 2026 13:03:14 +0000https://swchoi1994.github.io/blog/posts/naver-224452463565/https://swchoi1994.github.io/blog/posts/naver-224452463565/When Excel prints a table across pages, adjust scaling to fit all columns to one page wide, check readability, and repeat the header row when the table spans multiple pages.Sat, 24 Oct 2026 11:03:04 +0000https://swchoi1994.github.io/blog/posts/naver-224452387862/https://swchoi1994.github.io/blog/posts/naver-224452387862/When you enter a value such as 00123 in Excel, the leading zeros may disappear. This article compares five methods for preserving them and explains which option to choose by situation.Sat, 24 Oct 2026 09:03:46 +0000https://swchoi1994.github.io/blog/posts/naver-224452296908/https://swchoi1994.github.io/blog/posts/naver-224452296908/Scanning documents with a smartphone is convenient, but shadows and skew can blur text and make OCR difficult. This article explains how to reduce both before, during, and after shooting.Sat, 24 Oct 2026 07:03:50 +0000https://swchoi1994.github.io/blog/posts/naver-224452206397/https://swchoi1994.github.io/blog/posts/naver-224452206397/Before merging PDFs, record each file’s page count and order, then compare the merged file against the same checklist to catch misplaced, missing, or duplicated pages.Sat, 24 Oct 2026 05:02:48 +0000https://swchoi1994.github.io/blog/posts/naver-224452120218/https://swchoi1994.github.io/blog/posts/naver-224452120218/OCR can make scanned PDFs searchable, but recognition may still differ from the original. This article explains how to compare numbers and dates with the original, emphasizing that you should work on a copy.Sat, 24 Oct 2026 03:02:48 +0000https://swchoi1994.github.io/blog/posts/naver-224452031818/https://swchoi1994.github.io/blog/posts/naver-224452031818/If you cannot select or copy text in a PDF, it may be a scanned image or protected by security settings. This article explains how to test text selection, decide whether OCR is needed, and work from a copy.Sat, 24 Oct 2026 01:03:07 +0000https://swchoi1994.github.io/blog/posts/naver-224451962911/https://swchoi1994.github.io/blog/posts/naver-224451962911/This guide explains how to mask personal information with Windows 11 Snipping Tool, save the edited image safely, and check whether original data remains in a PNG file.Fri, 23 Oct 2026 23:03:21 +0000https://swchoi1994.github.io/blog/posts/naver-224451917457/https://swchoi1994.github.io/blog/posts/naver-224451917457/If you are unsure whether to choose sleep or hibernate when closing your laptop, consider how long you will be away and whether you can connect a charger.Fri, 23 Oct 2026 21:02:43 +0000https://swchoi1994.github.io/blog/posts/naver-224451885204/https://swchoi1994.github.io/blog/posts/naver-224451885204/If the Wi-Fi icon says connected but web pages do not open, check where the path to the internet is broken, in order from the PC to the router and connection.Fri, 23 Oct 2026 19:04:08 +0000https://swchoi1994.github.io/blog/posts/naver-224451703813/https://swchoi1994.github.io/blog/posts/naver-224451703813/If Bluetooth earbuds are connected to a PC but produce no sound, check the output device, connection status, audio format, and drivers before concluding that the earbuds are defective.Fri, 23 Oct 2026 13:03:03 +0000https://swchoi1994.github.io/blog/posts/naver-224451614131/https://swchoi1994.github.io/blog/posts/naver-224451614131/When Windows alert sounds work but a specific app has no audio, the cause is often the app volume or output device rather than a faulty speaker; this article presents Microsoft’s checks in order.Fri, 23 Oct 2026 11:03:16 +0000https://swchoi1994.github.io/blog/posts/naver-224451521289/https://swchoi1994.github.io/blog/posts/naver-224451521289/When someone says, “I can’t hear you” in a video meeting, check Windows microphone permissions and the selected input device before assuming the microphone is broken.Fri, 23 Oct 2026 09:03:32 +0000https://swchoi1994.github.io/blog/posts/naver-224451385831/https://swchoi1994.github.io/blog/posts/naver-224451385831/When Korean input suddenly stops working or only English appears, check the input language, A/Korean mode, and whether Microsoft IME is selected, then test switching in Notepad and check for app conflicts.Fri, 23 Oct 2026 07:03:47 +0000https://swchoi1994.github.io/blog/posts/naver-224451247249/https://swchoi1994.github.io/blog/posts/naver-224451247249/After disconnecting a monitor, a window may remain off-screen even though its taskbar icon is visible. This guide explains how to bring it back using Microsoft’s official shortcut list.Fri, 23 Oct 2026 05:02:53 +0000https://swchoi1994.github.io/blog/posts/naver-224451126769/https://swchoi1994.github.io/blog/posts/naver-224451126769/If the wrong program opens when you double-click a PDF, Windows’ default app setting may have changed. This guide follows Microsoft’s official settings path to reassign PDF files and verify the change.Fri, 23 Oct 2026 03:02:51 +0000https://swchoi1994.github.io/blog/posts/naver-224450994568/https://swchoi1994.github.io/blog/posts/naver-224450994568/Learn how to show file extensions in Windows and check double-extension files such as name.pdf.exe before opening them, based on Microsoft’s official support documentation.Fri, 23 Oct 2026 01:03:03 +0000https://swchoi1994.github.io/blog/posts/naver-224450895817/https://swchoi1994.github.io/blog/posts/naver-224450895817/If the desktop appears slowly or disk usage stays high after startup, startup programs may be responsible. Check each item before disabling it to avoid stopping essential features such as antivirus, input methods, and device assistants.Thu, 22 Oct 2026 23:03:09 +0000https://swchoi1994.github.io/blog/posts/naver-224450839939/https://swchoi1994.github.io/blog/posts/naver-224450839939/When Windows warns that storage is low, separate items Storage Sense can delete automatically from personal files that require your judgment, following Microsoft’s official guidance for Windows 11.Thu, 22 Oct 2026 21:06:11 +0000https://swchoi1994.github.io/blog/posts/naver-224450802208/https://swchoi1994.github.io/blog/posts/naver-224450802208/Claude Skills do not install hundreds of new AI models. They bundle instructions, reference materials, and scripts for recurring tasks in one folder for an agent to read when needed.Thu, 22 Oct 2026 19:02:54 +0000https://swchoi1994.github.io/blog/posts/naver-224450597776/https://swchoi1994.github.io/blog/posts/naver-224450597776/NVIDIA’s GTC Berlin 2026 local AI announcements include items already available, starting supply on October 23, and releases later this month or in December.Thu, 22 Oct 2026 13:03:23 +0000https://swchoi1994.github.io/blog/posts/naver-224450092246/https://swchoi1994.github.io/blog/posts/naver-224450092246/This article does not rank ChatGPT, Claude, and Gemini because Gemini was inaccessible in the author’s environment on October 20, 2026; it provides a fair testing method and scoring sheet instead.Thu, 22 Oct 2026 05:01:54 +0000https://swchoi1994.github.io/blog/posts/naver-224449655627/https://swchoi1994.github.io/blog/posts/naver-224449655627/Photos may seem lower quality after transfer because the PC received a non-original file, the format changed, or the original was not on the phone; check the source and verify the result.Wed, 21 Oct 2026 19:03:17 +0000https://swchoi1994.github.io/blog/posts/naver-224449619760/https://swchoi1994.github.io/blog/posts/naver-224449619760/AI can quickly summarize long PDFs, but setting a question order and checking against the original can greatly reduce missing important conditions and numbers, based on official document limits and fictional examples.Wed, 21 Oct 2026 17:03:06 +0000https://swchoi1994.github.io/blog/posts/naver-224449506180/https://swchoi1994.github.io/blog/posts/naver-224449506180/Cloud sync keeps files identical across devices, while backup preserves past copies; because deleting a file in one place can delete it elsewhere, use separate backups under the 3-2-1 rule.Wed, 21 Oct 2026 14:03:28 +0000https://swchoi1994.github.io/blog/posts/naver-224449291064/https://swchoi1994.github.io/blog/posts/naver-224449291064/Using work and personal email in one browser profile can mix bookmarks, history, and saved passwords. Chrome profiles keep this information separate, and this article outlines how to divide work and personal profiles based on Google Chrome's official help.Wed, 21 Oct 2026 10:04:00 +0000https://swchoi1994.github.io/blog/posts/naver-224449083135/https://swchoi1994.github.io/blog/posts/naver-224449083135/Before uploading documents to AI, check for identifying, financial, company, and authentication information, and redact or delete anything sensitive from a copy rather than the original.Wed, 21 Oct 2026 07:03:23 +0000https://swchoi1994.github.io/blog/posts/naver-224448867391/https://swchoi1994.github.io/blog/posts/naver-224448867391/OpenAI and Google warn that AI search results and citations may be incomplete, outdated, or inaccurate, so verify the cited text, its dates, and authoritative sources.Wed, 21 Oct 2026 04:03:12 +0000https://swchoi1994.github.io/blog/posts/naver-224448740524/https://swchoi1994.github.io/blog/posts/naver-224448740524/Passwords are easy to reuse across sites and can be stolen through fake login pages. Passkeys reduce these risks. This article compares the three methods and explains how to prepare account recovery if you lose your device.Wed, 21 Oct 2026 02:06:00 +0000https://swchoi1994.github.io/blog/posts/naver-224448398835/https://swchoi1994.github.io/blog/posts/naver-224448398835/An AI agent based on OpenClaw assists with this blog’s writing and publishing within limits set by its owner; this article shares three operational errors from October 16–20, 2026, and their solutions.Wed, 21 Oct 2026 01:52:52 +0900https://swchoi1994.github.io/blog/posts/naver-224448378717/https://swchoi1994.github.io/blog/posts/naver-224448378717/After a meeting, notes are often scattered and no one has organized who will do what by when. Pasting notes into ChatGPT and using a set format can help reduce the time needed to organize minutes.Wed, 21 Oct 2026 01:16:58 +0900https://swchoi1994.github.io/blog/posts/naver-224448608236/https://swchoi1994.github.io/blog/posts/naver-224448608236/Windows can retain copied passwords and account numbers in clipboard history, so this guide explains how to enable, clear, and check clipboard history synchronization.Wed, 21 Oct 2026 00:03:17 +0000https://swchoi1994.github.io/blog/posts/naver-224447811168/https://swchoi1994.github.io/blog/posts/naver-224447811168/Microsoft introduced Office in Copilot on October 9, 2026, adding Word, Excel, and PowerPoint features to the new Copilot app for drafting and editing documents in one conversation view.Tue, 20 Oct 2026 06:32:45 +0000https://swchoi1994.github.io/blog/posts/naver-224447760925/https://swchoi1994.github.io/blog/posts/naver-224447760925/According to OpenAI’s official pricing, GPT-6.1 Sol costs $2 per 1 million standard input tokens and $0.10 for cached input; cache hit rates can significantly change monthly costs for repeated prompts.Tue, 20 Oct 2026 05:53:01 +0000https://swchoi1994.github.io/blog/posts/naver-224447255027/https://swchoi1994.github.io/blog/posts/naver-224447255027/Anthropic's design tool Claude Design is moving into Claude, and the standalone site claude.ai/design will close on December 14, 2026. Check design system migration and project file storage now.Tue, 20 Oct 2026 04:44:42 +0900https://swchoi1994.github.io/blog/posts/naver-224447545917/https://swchoi1994.github.io/blog/posts/naver-224447545917/Google is replacing Gems, the custom instruction feature in Gemini and Google Workspace, with Skills. Gems will end no sooner than March 1, 2027 for business and enterprise accounts, and June 1, 2027 for education accounts.Tue, 20 Oct 2026 02:32:59 +0000https://swchoi1994.github.io/blog/posts/naver-224447373831/https://swchoi1994.github.io/blog/posts/naver-224447373831/Anthropic introduced Claude Haiku 5.5 on October 7, 2026, describing it as its fastest, lowest-priced small Haiku model for high-volume tasks such as summarization, classification, and database queries; all figures are company claims, not independent reproductions.Mon, 19 Oct 2026 23:52:45 +0000https://swchoi1994.github.io/blog/posts/naver-224447346187/https://swchoi1994.github.io/blog/posts/naver-224447346187/OpenAI announced on October 19, 2026, that it improved AI coding performance in low-resource programming languages such as COBOL, Fortran, and Visual Basic. The figures below are values reported by OpenAI from its own evaluation.Mon, 19 Oct 2026 23:15:31 +0000https://swchoi1994.github.io/blog/posts/naver-224446357631/https://swchoi1994.github.io/blog/posts/naver-224446357631/Google DeepMind released the EmbeddingGemma 2 embedding model on October 6, 2026. Based on Gemma 4, it is an Apache 2.0 open-weight model that places text, code, images, video, and audio in one 768-dimensional vector space.Mon, 19 Oct 2026 11:32:26 +0900https://swchoi1994.github.io/blog/posts/naver-224446162693/https://swchoi1994.github.io/blog/posts/naver-224446162693/Anthropic expanded its Cyber Verification Program (CVP) on October 6, 2026. It offers security professionals stronger cyber capabilities with fewer blocking safeguards across three access levels based on their work.Mon, 19 Oct 2026 08:13:06 +0900https://swchoi1994.github.io/blog/posts/naver-224446093664/https://swchoi1994.github.io/blog/posts/naver-224446093664/Google's Gemini API deprecation table lists October 22 and 23 as scheduled retirement dates for preview models. Because preview schedules can change quickly, review your call code this week.Mon, 19 Oct 2026 05:14:04 +0900https://swchoi1994.github.io/blog/posts/naver-224446088269/https://swchoi1994.github.io/blog/posts/naver-224446088269/Meta unveiled the Muse Wonder model series on October 12. Muse Wonder (API identifier muse-wonder-1.0) is available through the Meta Model API and Muse Code, while Muse Wonder Full is limited to Muse Code subscribers. For developers,Mon, 19 Oct 2026 04:52:45 +0900https://swchoi1994.github.io/blog/posts/naver-224446050327/https://swchoi1994.github.io/blog/posts/naver-224446050327/OpenAI’s official Deprecations document says the API shutdown date for several legacy models is October 23, 2026, including GPT-4 snapshots, GPT-3.5 Turbo, o1, o3-mini, and o4-mini. Requests using these IDs will fail afterward.Mon, 19 Oct 2026 02:45:40 +0900https://swchoi1994.github.io/blog/posts/naver-224445540606/https://swchoi1994.github.io/blog/posts/naver-224445540606/GitHub will discontinue three Copilot models on November 16: Claude Opus 4.8, Claude Opus 5, and GPT-5.6 Terra. Teams with fixed model settings should update them first.Sun, 18 Oct 2026 15:32:30 +0900https://swchoi1994.github.io/blog/posts/naver-224445504095/https://swchoi1994.github.io/blog/posts/naver-224445504095/OpenAI broadly launched a new GPT-6-based ChatGPT experience on October 7. Paid plans default to GPT-6 Sol, while Free and Go default to GPT-6 Luna. Check the models used in ChatGPT, Codex, and Work separately.Sun, 18 Oct 2026 14:52:48 +0900https://swchoi1994.github.io/blog/posts/naver-224445358450/https://swchoi1994.github.io/blog/posts/naver-224445358450/Anthropic announced the retirement schedule for Sonnet 4.5 in the Claude API. claude-sonnet-4-5-20250929 was deprecated on September 30, 2026, and will retire on November 30, after which requests using it will fail.Sun, 18 Oct 2026 11:32:36 +0900https://swchoi1994.github.io/blog/posts/naver-224445242655/https://swchoi1994.github.io/blog/posts/naver-224445242655/India's CERT-In issued a Critical advisory on October 15, warning that AI agents can become attackers and may reach real systems beyond their authorized scope during evaluation.Sun, 18 Oct 2026 08:12:51 +0900https://swchoi1994.github.io/blog/posts/naver-224445193885/https://swchoi1994.github.io/blog/posts/naver-224445193885/Google says its top-tier Gemini 4 Argon model is available on Google Cloud, with introductory pricing through November 30, 2026, after which input and output rates will double.Sun, 18 Oct 2026 05:33:32 +0900https://swchoi1994.github.io/blog/posts/naver-224445184367/https://swchoi1994.github.io/blog/posts/naver-224445184367/China’s DeepSeek released DeepSeek-V4.1-Flash-1017 on October 17, 2026. It reported higher performance, shorter completion times, and shorter outputs. Developers should focus on the model name, Search/Fetch API pricing, and weight distribution.Sun, 18 Oct 2026 04:52:31 +0900https://swchoi1994.github.io/blog/posts/naver-224444693710/https://swchoi1994.github.io/blog/posts/naver-224444693710/Intel disclosed technical details of its data-center inference GPU, Intel GPU D-series, at OCP Global Summit on October 12, featuring up to 480GB LPDDR5X memory, 1.5TB/s bandwidth, and 1.3 petaflops at FP8.Sat, 17 Oct 2026 14:52:45 +0900https://swchoi1994.github.io/blog/posts/naver-224444550624/https://swchoi1994.github.io/blog/posts/naver-224444550624/Google launched Gemini 3.8 Flash on Sep 2nd 2026 at $0.75 per million input tokens and $3.75 per million output tokens. Introductory pricing ends Dec 31st 2026; prices double from Jan 1st 2027.Sat, 17 Oct 2026 11:32:45 +0900https://swchoi1994.github.io/blog/posts/naver-224444444442/https://swchoi1994.github.io/blog/posts/naver-224444444442/Apple revised the App Review Guidelines on Oct 16th 2026, clarifying rules on AI-generated nonconsensual intimate imagery, post-review feature changes, and apps related to child exploitation and human trafficking.Sat, 17 Oct 2026 08:52:22 +0900https://swchoi1994.github.io/blog/posts/naver-224444423736/https://swchoi1994.github.io/blog/posts/naver-224444423736/Workday says its Trusted Agent Platform now lets AI agents handle HR and finance data without a user login, using headless tools governed by Workday permissions and approval rules.Sat, 17 Oct 2026 08:13:30 +0900https://swchoi1994.github.io/blog/posts/naver-224444722682/https://swchoi1994.github.io/blog/posts/naver-224444722682/On October 15, 2026, Perplexity released its agent sandbox platform SPACE (Sandboxed Platform for Agentic Code Execution) under the Apache 2.0 license. The company says it has run Perplexity Computer tasks since July.Sat, 17 Oct 2026 06:32:10 +0000https://swchoi1994.github.io/blog/posts/naver-224444362396/https://swchoi1994.github.io/blog/posts/naver-224444362396/Existing benchmarks mostly examine one small step. ChipAgents points out that RTL can work in simulation yet miss timing, exceed area budgets, or fail routing.Sat, 17 Oct 2026 05:32:50 +0900https://swchoi1994.github.io/blog/posts/naver-224444351394/https://swchoi1994.github.io/blog/posts/naver-224444351394/NVIDIA unveiled two open models, Nemotron 3.5 Super VL and Nemotron 3.5 Bolt, on Oct 15th 2026 (U.S. time), spanning large data-center agents to compact models for PCs and edge devices.Sat, 17 Oct 2026 04:53:03 +0900https://swchoi1994.github.io/blog/posts/naver-224444274067/https://swchoi1994.github.io/blog/posts/naver-224444274067/OpenAI says it solved the Navier–Stokes problem, but independent review is still needed to verify the claim and assess the formalized Lean proofs.Sat, 17 Oct 2026 01:11:33 +0900https://swchoi1994.github.io/blog/posts/naver-224443349644/https://swchoi1994.github.io/blog/posts/naver-224443349644/Microsoft and NVIDIA announced Windows AI PCs launching in October 2026; check regional availability, memory capacity, local-versus-cloud costs, and Microsoft Execution Containers support before buying.Fri, 16 Oct 2026 08:12:17 +0900https://swchoi1994.github.io/blog/posts/naver-224443282682/https://swchoi1994.github.io/blog/posts/naver-224443282682/Google will offer Gemini 4 Argon from October 13, 2026. Developers should check availability, introductory and post-November 30 pricing, caching discounts, actual usage costs, and performance on their own test sets.Fri, 16 Oct 2026 05:35:17 +0900https://swchoi1994.github.io/blog/posts/naver-224443274568/https://swchoi1994.github.io/blog/posts/naver-224443274568/Apple's new Apple TV 4K highlights Siri AI for conversational content searches, but Korean users should first check language support, beta status, device requirements, regional limits, usage caps, and Korean availability.Fri, 16 Oct 2026 05:07:30 +0900https://swchoi1994.github.io/blog/posts/naver-224443240578/https://swchoi1994.github.io/blog/posts/naver-224443240578/Microsoft’s Middle East investment plans span capital spending, AI infrastructure, connectivity, workforce development, and operations, with different periods and regional scopes requiring careful comparison.Fri, 16 Oct 2026 03:00:48 +0900https://swchoi1994.github.io/blog/posts/naver-224443239521/https://swchoi1994.github.io/blog/posts/naver-224443239521/Choosing between a Mac mini and Mac Studio for AI work starts with identifying where you will use AI, how much memory you need, and whether you prioritize capacity or processing speed.Fri, 16 Oct 2026 02:57:54 +0900https://swchoi1994.github.io/blog/posts/naver-224443237114/https://swchoi1994.github.io/blog/posts/naver-224443237114/Anthropic’s report shows why AI automation must define not only the desired result but also the actions an agent is allowed to take.Fri, 16 Oct 2026 02:50:39 +0900