A look at Performance Max, Google's black box ad product for all its owned media that can't break down by price, ad format, media channel, or creative elements (James Hercher/AdExchanger)

James Hercher / AdExchanger:

A look at Performance Max, Google’s black box ad product for all its owned media that can’t break down by price, ad format, media channel, or creative elements  —  Lost in the Sturm und Drang of Q4 (Q for quarantine) 2020, Google introduced a beta program called Performance Max, its first ad product spanning all Google-owned media.