But what about ads that don’t get clicked on? How can advertisers tweak them to drive more interaction? According to xAd and Telmetrics, the most popular reason smartphone and tablet users hadn’t clicked on mobile ads in the past month was because they just weren’t interested in the offering, cited by 47% and 43%, respectively—and suggesting advertisers may need to amp up targeting efforts. Irrelevant advertisements and users simply ignoring them ranked second and third. Read the rest at eMarketer.