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.
15 trending tweets • December 21, 2025 • Archived daily snapshot
Top Tech Twitter posts from December 21, 2025, ranked by engagement.
Reporter: "What's one invention that's made us worse, not better?" Elon Musk: "Maybe short form video. It's rotting people's brains."
Ray Dalio: We are 80% of a bubble.
"Every morning, I type '/today' into Claude Code and watch it generate my to-do list." Here's my new episode with @ttorres where she demos ...
Brilliant post on using coding agents. The workflow described here is as close as it gets to my own. From creating rules and skills to opti...
My conversation with Patrick O'Shaughnessy (@patrick_oshag), founder and CEO of Colossus & Positive Sum. 0:00 The Joy of Championing Undisc...
who wins? 1. a founder who codes fast 2. a founder who sells fast
STOP ASKING CHATGPT THINGS YOU CAN GOOGLE. STOP ASKING CHATGPT THINGS YOU CAN GOOGLE. STOP ASKING CHATGPT THINGS YOU CAN GOOGLE. STOP ASKING...
The future belongs to the high agency. Sounds cute. Everyone thinks they're high agency. But most people aren't. About 50% of the populatio...
Marc Andreessen follows a fake VC that we made up. His name is Henrick Johansson. He's a satirical character we created. And now many of th...
Best AI product of 2025? All answers welcome, curious!
Hot take: Vibe coding isn’t the problem. Blind coding is. Know your system. Know your user. Know your distribution. Everything else is ju...
AI is an accelerator. So, bad guardrails = bad code, faster. Useful guardrails: -Types -Tests -Linting -Auto-formatting -AI reviews -Clear...
The 2025 AI Crown Goes To OPUS 4.5 Its head and shoulders above other models in real world agentic scenarios Runners up - Nano Banana Pro...
Top results: 1) @cursor_ai - AI coding 2) @claudeai - AI assistant 3) @NotebookLM - AI research 4) @WisprFlow - voice dictation 5) @meetgra...
As promised, Google has fully revealed its top three ranking factors: 1. ██████s ██████ 2. █████ of ███████ 3. ███████████████
Twitter trends by date use UTC day boundaries. This archive highlights the top Tech Twitter posts from December 21, 2025, ranked by weighted engagement across likes, reposts, replies, and bookmarks.