Push Pop

A social networking giant Facebook has purchase a digital book publisher Push Pop for an undisclosed amount of money.

The ebook publisher was co-founded by an ex-Apple employee Mike Matas, who designed UIs and artwork for the company's Mac OS X, iPhone and iPad products.

"Now we're taking our publishing technology and everything we've learned and are setting off to help design the world's largest book, Facebook," said the company in a statement on its website.