Along with everything else going on at I/O yesterday–and continuing through to tomorrow–Google released an update to Play Books, that I think is pretty cool, too. The newest addition to Play Books is it’s ability to read EPUB and PDF. As stated in the “What’s new” section for Play Books’ info in the Play Store, one can simply add their documents via web at play.google.com/books/uploads. After a short wait for the document to upload–depending on your bandwidth and document sizes, of course–and a refresh of the library on your Android device, you’ll instamagically see the books that were uploaded; in my case, Sir Arthur Conan Doyle’s “A Study in Scarlet”. The ability to save one’s own copies of books and read them via Play books is pretty slick; however, I do wish there were a few improvements… It’d be nice to have a different interface for uploading these files; say via Google Drive. Instead of relying upon a browser based upload, I could just copy the files into a “special” folder in my Drive on