Performance Max also drove retailers' spend with Google's shopping ad products up 16% year-over-year, according to Tinuiti. Digital agency Arm Candy said that 45% of retailers' Google spend is handled with Performance Max. Specifically, the source said that the return on ad spend of Performance Max campaigns started slowing down this summer. Brand search campaigns are when companies buy search ads against their own brand names, like Hershey's buying "Hershey's" keywords, for example. Advertisers that like Google's AI say it helps them find new customersGoogle has tried to address advertisers' concerns about what Performance Max buys.

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Persons: Max, Belardi Wong, Candy, Max proliferates, Zach Thompson, Thomas, We've, Merkle, Brendon Kraham, Brand, Google's Kraham, Calla Murphy Organizations: Google, YouTube, Max Locations: ROAS