I gave Grok Bot zero context about my newsletter. It spun up its own computer, read my entire Substack archive on its own, and wrote from what it found. That is the first time an agent has gone and gotten the context instead of asking me for it. xAI shipped it this week and the launch video did 26.5M views. I spent seven days running it on real work instead of watching the demo. Each bot runs a persistent cloud computer with a browser and a terminal. It signs into your tools and uses them…