KEY POINTS
  • Tech earnings showed weak ad revenue at Facebook, Google and Amazon.
  • The war in Ukraine war and inflation are partly to blame, but TikTok's growing market share is proving to be a challenge for the top U.S. online ad companies.
  • Analysts say they don't see the threat going away anytime soon.

As the heart of tech earnings season wraps up, one persistent theme has been weakness in the digital ad market.

The war in Ukraine, rising inflation, Apple's privacy changes and an overall pullback in ad spending help explain why Facebook, Google, Amazon and Twitter all reported disappointing revenue numbers this week, and by Snap last week.