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Finding signal on Twitter is more difficult than it used to be. We curate the best tweets on topics like AI, startups, and product development every weekday so you can focus on what matters.
PLUS: Karpathy's app store funeral
Google's Gemini 3.1 Pro more than doubles its predecessor on ARC-AGI-2, hitting 77.1% on reasoning benchmarks.
Karpathy vibe coded a cardio tracker in an hour, but the real future is one minute tops with AI-native sensor APIs.
Social network product management is mostly playing Federal Reserve with policy signals, not shipping features.
Anthropic's biggest lesson from Claude Code: prompt caching is everything, monitor cache hit rates like uptime.
Claude Code uses system messages instead of changing system prompts mid-conversation to preserve the cache and save money.
Changing models mid-session kills your prompt cache, making it cheaper to stick with Opus than switch to Haiku.
Claude in PowerPoint now supports connectors, pulling context from your daily tools directly into slides.
You need to enable Canvas mode in Gemini 3.1 or it won't even write code, let alone run it.
Simon Willison hit parallel agent psychosis, losing track of which branch holds yesterday's feature.
Gemini 3.1 Pro made a gorgeous pelican bicycle SVG but took five minutes, likely launch day capacity issues.
Most founders think they have a growth problem when they actually have a product problem in disguise.
Andrew Wilkinson is hiring someone to build an OpenClaw army to automate a few businesses for three to six months.
Marc Lou built DataRot, TikTok for web analytics where you doomscroll full-screen visitor journeys in real time.
One AI startup gets 100% revenue from organic search, zero from social media.
Turn hours of scrolling into a five minute read.