Last mentioned: Mar 19, 2026
Trial Phase
Expected commencement of the trial or final settlement phase for the Foster vs. WPP litigation.
Filings Unsealed
New court filings provide granular data on WPP's intermediary fees and internal ad tech structures.
Transparency Pressure Mounts
ISBA and PwC release updated findings on programmatic transparency, increasing pressure on agency holding companies.
Litigation Commences
Richard Foster initiates legal action against WPP following his departure from the Proof unit.
Recent court filings in the legal battle between Richard Foster and WPP have exposed the granular mechanics of the 'ad tech tax,' highlighting the significant portion of advertising budgets captured by middlemen. As AI is increasingly marketed as a solution for transparency, these disclosures provide a rare look into the opaque financial structures governing programmatic media buying.
This page surfaces every story mentioning Digiday across our legal coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running legal beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Digiday was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |