Pinterest introduced Promoted Pins on the very first day of this year, now it’s talking up the next step in its plan to bring in more advertising dollars. The company’s head of partner marketing, Eric Hadley, tells Ad Age that it’s planning to test a new ad format – animated pins that move as users scroll. He didn’t say when the service will roll out or specifics on how it will work but confirmed that testing will begin in the next few months. Pinterest is also bringing in a more precise way for advertisers to target audiences on the social network. Previously, they…

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