DeepSeek's arrival sparks AI's 'Sputnik moment'

A Chinese artificial intelligence assistant called DeepSeek has become the most downloaded free app in the US. Its arrival has sent shares in firms like chipmaker Nvidia, as well as Microsoft and Meta, tumbling. Stanford professor Erik Brynjolfsson, co-founder of the firm Workhelix, tells host Marco Werman that DeepSeek represents a dramatic decline in the price of intelligence."