
Greetings! Your latest quick tech update is here:
☀️ On this day: On August 17, 1982, workers at a Philips plant in Langenhagen, just outside Hanover, West Germany, pressed the first commercial compact disc (CD), a copy of ABBA's 1981 album The Visitors. Philips and Sony had stretched the disc's target capacity from one hour to 74 minutes so a full performance of Beethoven's Ninth Symphony would fit. By the time CDs went on sale that November, roughly 150 titles had been manufactured. The format turns 44 today.
What’s happening:
🖥️ ChatGPT's Mac app can now track your activity
🤝 Anthropic's CEO blames AI backlash on a trust crisis
🔍 How Claude's invisible text watermarks work
🎵 Alibaba's new AI writes the whole song for you
🚄 China builds the fastest train ever, hits 800 km/h in 5 sec
+ 📊 Daily poll and results
+ 📈 Trending tools and resources
AI Report
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Hand-picked news:
🖥️ ChatGPT's Mac app tracks your activity ↗️LINK
OpenAI added Computer History to the ChatGPT macOS app, which logs your clicks and keystrokes into a timeline that ChatGPT and Codex can reference when you make a request.
The feature stays opt in, ignores incognito tabs, and lets you exclude specific apps or delete individual entries. OpenAI says it records events instead of screenshots, images, video, or audio.
Microsoft took months of criticism over Windows Recall and its screenshot habit. OpenAI clearly read the room, shipping the same core idea while promising it never captures a single picture.
🤝 Anthropic's CEO blames AI backlash on trust crisis ↗️LINK
Anthropic's CEO Dario Amodei pushed back on investor Gavin Baker, who argued on the All-In podcast and on X that Amodei's risk warnings helped fuel the US backlash against AI and data centers.
Amodei calls the problem a crisis of trust, saying ordinary people distrust companies, governments, and the tech industry. He describes his own writing as roughly balanced between AI's risks and benefits.
He also named the criticism he thinks lands: AI companies haven't delivered on their promises yet. Promising to cure cancer, he said, matters less than actually curing it.
🔍 How Claude's invisible text watermarks work ↗️LINK
Anthropic says Claude's invisible text watermark uses a version of SynthID-Text, the method Google DeepMind open-sourced in 2024, which leaves a detectable pattern by steering low-stakes word choices during generation.
The EU AI Act began requiring providers to mark AI-generated content on August 2, pushing Anthropic to ship text watermarks plus C2PA metadata for images. Rivals who signed the same Code of Practice face identical deadlines.
Anthropic openly lists the limits: short text, factual writing, and code carry a thin signal, and a full rewrite erases it. The watermark catches casual use better than anyone actually trying to hide.
🎵 Alibaba launches AI music model HappyShrimp ↗️LINK
Alibaba released HappyShrimp 1.0 today, a beta AI music model that turns one plain sentence into a finished song with lyrics, melody, backing music, and vocals. No music knowledge needed.
Alibaba says the model plans the whole track at once instead of making the parts separately and gluing them together. It launched on the web in China and abroad, with free starter credits.
The Chinese name nods to Xiami Music, the streaming app Alibaba shut down in 2021 and fans still miss. Same company, except now it sells the songwriting instead.
🚄 China builds the fastest train ever ↗️LINK
An experimental maglev at Donghu Laboratory in Hubei province accelerated from rest to 800km/h in 5.3 seconds on a 1km test track, then braked to a smooth stop within 200m.
The 1.1-tonne train has broken its own short-distance acceleration record three times in six months, climbing from 650km/h in seven seconds last June through 700km/h and 798km/h runs.
Nobody rides this thing. Researchers want the underlying tech for rocket and fighter jet launch systems, while China's fastest commercial train still tops out at 350km/h.

Today’s Poll:
Vote and find out about the result tomorrow.
Yesterday’s Poll Result:
Do you think Apple deserves a cut of purchases made outside its App Store?
A) Yes - 13%
B) No - 87% 🏆
Reader’s opinion:
“Ir's like saying Trump should collect tax of American diaspora”
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