EBay study questions value of Google’s main ad service

By Alistair Barr SAN FRANCISCO (Reuters) – EBay Inc, operator of one of the largest online marketplaces, questioned the value of Google Inc’s main advertising service in a recent study. EBay , one of the biggest Internet advertisers, released a study on Friday examining whether the paid search ads it bought on Google and that show up to the right of search results were worth the investment. …

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