Apple CEO Tim Cook took to a San Jose theater stage today to unveil a new version of the company's literature-based digital storefront, iBooks. Cook says it integrates better with iCloud, allows for quote sharing on Facebook and Twitter, and has support for "over 40 languages." Beyond the app update info, Cook touted iBook's sales exceeding 400 million books worldwide -- not too shabby! The updated iBooks app should be available today on the iOS App Store, though it's not there just yet.
Update: It looks like iBooks Author is also getting an update today, as Cook says new templates, fonts, and user-created fonts are now supported. Additionally, mathematical equations can now be inserted directly, and multitouch widgets will also work.
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