The short version

Sam Bloom predicted on December 5, 2024: ““In the olden days we could rely on cookies and other kinds of identifiers. Those things are becoming less and less relevant by the day.”” Verdict: Called it. The declining relevance of third-party cookies and legacy identifiers is widely documented and increasingly acute by 2025–2026, with major browsers continuing deprecation efforts. The industry…

Prediction by

Sam Bloom

On December 5, 2024

““In the olden days we could rely on cookies and other kinds of identifiers. Those things are becoming less and less relevant by the day.””

Follow-up

The declining relevance of third-party cookies and legacy identifiers is widely documented and increasingly acute by 2025–2026, with major browsers continuing deprecation efforts. The industry has pivoted towards first-party, publisher-/platform-owned identifiers.

From the High Caliber AI network — see the AI for PR module in the course.