eMarketer: Google, Meta and Amazon take 64 percent of 2021 U.S. digital ad spending
Dated 8 November 2021: eMarketer: Google, Meta and Amazon take 64 percent of 2021 U.S. digital ad spending. In the causal graph this event strengthens the driver Social-Platform Dependence.
Who was responsible
Contribution type and responsibility level for each recorded actor — not sole-author shorthand.
No public contributors are listed for this fact.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FacteMarketer: Google, Meta and Amazon take 64 percent of 2021 U.S. digital ad spending
- strengthensDriverSocial-Platform Dependence
provisional weight · verified
Causal path
How this event connects to drivers and indicators in the graph.
- FacteMarketer: Google, Meta and Amazon take 64 percent of 2021 U.S. digital ad spending
- strengthensDriverSocial-Platform Dependence
Cite this page
Factrail. (2026). eMarketer: Google, Meta and Amazon take 64 percent of 2021 U.S. digital ad spending. Factrail. https://factrail.ai/facts/emarketer-google-meta-amazon-64pct-us-digital-ads-2021
https://factrail.ai/facts/emarketer-google-meta-amazon-64pct-us-digital-ads-2021
Accessed 15 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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