The Download: Big Tech's big AI bet, and crypto's day in court

Since the beginning of the generative AI boom, tech companies have been feverishly trying to come up with the killer app for the technology. First it was online search, with mixed results. Last week, OpenAI, Meta, and Google launched new features for their AI chatbots that allow them to search the web and act as a sort of personal assistant. This is a risky bet, given the limitations of the technology. Tech companies have not solved some of the persistent problems with AI language models, such as their propensity to make things.