Meta CEO Mark Zuckerberg (left) and Google CEO Sundar Pichai.
Meta CEO Mark Zuckerberg and Alphabet CEO Sundar Pichai.
  • The biggest tech firms are all bullish about their AI investments for this year.
  • Meta, Alphabet, Microsoft and Amazon mentioned "AI" 168 times in their earnings calls last week.
  • The figure shows just how much attention artificial intelligence is getting in Silicon Valley.

Big tech firms are finding uses for artificial intelligence (AI) in many aspects of their operations – and their chief executives are only too happy to tell investors what they've been up to.

Mark Zuckerberg, Sundar Pichai, Satya Nadella and Andy Jassy all sounded off in their first quarter earnings calls last week about how they plan to use AI to enhance products and services, create their own models, and capitalize on the boom.