New Release · AI Writing My New Book Is Out: Claude AI for Writers & Professionals — 2nd Edition A fully rewritten guide for 2026 — covering Claude Sonnet 4.6, Adaptive Thinking, the 1-million-token context window, Claude Projects, and the entire Claude 4 ecosystem. By Charly Choi · March 2026 · 5 min read 2nd Edition CLAUDE AI for Writers & Professionals 2ND EDITION · 2026 Now Available on Kindle Claude AI for Writers & Professionals Unlocking the Power of Claude Sonnet 4.6 and the New Claude 4 Ecosystem 300 pages 75,000 words $9.99 Read on Amazon → "Claude has changed. This book has too." When I published the first edition of Claude AI for Writers & Professionals in 2024, Claude 3.7 Sonnet was the frontier. A lot has changed since then — and I mean that in the most substantive sense possible. The Claude 4 generation isn't an incremental update. It's a fundamentally different kind of collaboration. This second edition has been completely rewritten...
₿ Crypto Insight Bottom Line Beginner Friendly Bitcoin at $90k: Is it Too Expensive? Why 2025 is different from the past, explained simply. Google Gemini 3.0 Pro · with @Charlie Choi December 8, 2025 ๐ TL;DR (Too Long; Didn't Read) ✅ No Bubble: The price matches the real cost to produce Bitcoin. It's a fair deal. ๐ก️ Safe Zone: Miners spend about $75k-$82k to make one Bitcoin. They won't sell for less than that. ๐ฎ Next Target: Likely to reach $130,000 ~ $170,000 by 2026. ▶ ๐ฌ Video Summary (Korean) Charlie Choi Story 1. Is Bitcoin a Bubble? Many people worry that Bitcoin is just "magic internet money" and the price is too high. But in December 2025, things are different. Using advanced AI analysis, we found that the current price ($93,000) is actually very fair. Why? Because we looked at two simple things: Cost (how much it costs to make) and Users (how many people use it). 2. The "Gold Mine" Rule (Supply) ⛏️ Think of it like mining gold. If it ...