Machine learning & AI

Verbal nonsense reveals limitations of AI chatbots

The era of artificial-intelligence chatbots that seem to understand and use language the way we humans do has begun. Under the hood, these chatbots use large language models, a particular kind of neural network. But a new ...

Internet

Facebook, Twitter CEOs back before Congress Tuesday

The top executives of Facebook and Twitter were set to appear before US lawmakers for the second time in less than month for a fresh hearing on the hotly disputed role of social networks in US political debate.

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