by: Jeff John Roberts | paidContent.org

It’s like getting dumped on the day of your big promotion. That’s how Flipboard must have felt after two prominent magazines said they were leaving just hours after the popular news aggregator announced a groundbreaking partnership with the New York Times.

The decision by the New Yorker and Wired to unplug their stories from Flipboard, a tool that lets readers “flip” pages magazine-style on their tablets, suggests that while Flipboard has proven itself very capable of delivering readers, its ability to deliver revenue is much murkier.