Airbnb halts marketing spend in $800m savings plan

P&G Contends Too Much Digital Ad Spending Is a Waste

8 People Are Facing Charges As A Result Of The FBI’s Biggest-Ever Ad Fraud Investigation

‘Big hole in the value chain’: one third of adtech costs unattributable finds Isba

Google's FLoC flies into headwinds as internet ad industry braces for instability

Targeted ads offer little extra value for online publishers

Google, Facebook show power of ad duopoly as rivals stumble