The Register · Jul 22, 2026 14:00 UTC Grok muscles into Excel with an AI add-in of its own Read full story on The Register Share AI disclosure Summary xAI's sidebar agent promises analysis and financial models – for a price Original reporting Open original source Read full article on The Register Get the AFBytes Brief Major stories, AI-assisted analysis, and what to watch next. Free, monthly, unsubscribe anytime. Subscribe
