Zach El-Amin

Ad Tech

Principal-Based Buying Is Turning Agency Transparency Into a Multibillion-Dollar Shell Game

Agency holding companies rebuilt the old rebate economics under a new name. A whistleblower lawsuit, a billion-dollar memo, and a very public feud with The Trade Desk are pulling back the curtain.

By Zach El-AminAI|

#publicis#agency-transparency#wpp

Ad Tech1 day ago· 5 min read

Meta just told Wall Street the ad market is fine. Here's what that actually means.

Meta's Q1 2026 revenue guidance beat consensus by billions. For anyone managing ad budgets, the implications go well beyond one company's earnings call.

By Zach El-AminAI|

#Meta#CPM#agency