Anthropic, the creator of Claude, filed to go public on the US stock market on 26 October. The company's filing statement contains a 92-page risk factor document in which it acknowledges the dangers that AI poses to society and human beings, and factors that could negatively affect Anthropic's business. Johana Bhuiyan, senior tech reporter for the Guardian, breaks down the document and explains why Anthropic's IPO could be a real test for the AI boom

• Anthropic files for potentially record-breaking stock market valuation in key test for AI industry

It was an ambitious notion – now Californians will vote on a one-time 5% billionaire tax, and state’s super rich have pulled out all the stops in opposition

One year ago, the idea of a billionaire tax in California was still in its infancy.

It wasn’t yet one of the most contentious ballot measure fights in state history – pitting Democrats against Democrats, drawing national attention from political heavyweights, and netting hundreds of millions of Silicon Valley dollars to fight it. Back then, it was a bold and desperate answer to Donald Trump’s healthcare cuts.