AdExchanger |The ad tech community has taken its strategies to legacy marketing channels before - billboards, radio, point-of-sale systems and even linear TV. Now add direct mail to the list. PebblePost launched publicly and revealed a $3 million seed round on Tuesday. CEO Lewis Gersh hopes to bring real-time analytics to direct mail campaigns for the... Continue reading »The post PebblePost Wants To Link Online Advertising With Direct Mail appeared first on AdExchanger.