One force is propping up the economy. Fears are growing it won’t last.

Artificial intelligence may be Silicon Valley’s latest speculative bubble — with major risks for the rest of the economy.
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Amazon invests $1.9B in the Delivery Service Partner program, launching safety initiatives and AI-powered tools to enhance the delivery and driver experience

Amazon has invested $16.7B to support DSPs and their drivers throughout seven-year program history. Amazon’s commitment of $1 ...