Pandora Learns the Cost of Ads, and of Subscriptions Ifeadi C. 04:15 Feed: All Latest, Zero Tech Blog A 21-month study finds that as users are fed more ads, they listen less; some subscribe, but not enough to compensate for lost ad revenue. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsWhistle 3 Pet Tracker Review: Basic but GoodNow 25, DC Vertigo Relaunches With a New—and Old—MissionKremlin's Kids: Giant Family Portraits With Vladimir PutinHow Trump Could Trigger Armageddon With a TweetEyeing the Future, Snap Debuts Two New Styles of SpectaclesFacebook and Twitter's Biggest Problems Follow Them to Congress