by Katie Evans, Internet Retailer

“Many e-retailers used the ad format heavily over the holidays. Roughly 30% of ad spending on Google in Q4 2013 by e-retailer clients of online marketing company Mercent Corp. was spent on PLAs. Meanwhile, clients of digital marketing technology company Kenshoo Ltd. increased their spending on PLAs 100% during the 2013 holiday season compared to holiday 2012. Clicks on the ads rose 63% year over year during the holidays and revenue from the ads increased 82%, Kenshoo says.”

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