At last week's event Apple announced version 3.0 of iBooks, their free ebook-reading app for iPhone and iPad, and iBooks Author, their free software for the Macintosh that lets users create multimedia, multitouch ebooks. The iBooks app adds a range of great features that many had been clamoring for. Most notably, you can now, finally, copy passages of text and share that text via email, iMessage, Facebook, or Twitter.