Why a Samsung-backed startup is testing AI search ads
Liner, a South Korean AI search engine, has been testing ads in the U.S. and Europe using a traditional cost-per-click model. But unlike Perplexity, which is working to attract advertisers with a cost-per-mille (CPM) model, Liner thinks CPC is more measurable. The company is testing three formats: ads that show up above and below an
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