"Although Facebook isn't planning to start publishing digital books, the ideas and technology behind Push Pop Press will be integrated with Facebook, giving people even richer ways to share their stories. With millions of people publishing to Facebook each day, we think it's going to be a great home for Push Pop Press."
It's kind of hard to deny the parallels between Flipboard and tech like what Push Pop Press has developed. I know a number of people for whom Flipboard is the preferred method of interacting with Facebook. I'd assume that Facebook has some means of knowing which applications are using their API the most. Maybe there's some underlying data here that we can't see, like maybe Flipboard makes up a lot of Facebook's mobile usage, and we know how important it is for Facebook to control the user interaction.
"Although Facebook isn't planning to start publishing digital books, the ideas and technology behind Push Pop Press will be integrated with Facebook, giving people even richer ways to share their stories. With millions of people publishing to Facebook each day, we think it's going to be a great home for Push Pop Press."