On Saturday the Hong Kong Patent & Trademark Office published Apple's trademark filing for "Swift," which is an innovative new programming language for Cocoa and Cocoa Touch. Apple also filed for this trademark in Europe in addition to filing for "HomeKit," which is a framework in iOS 8 for communicating with and controlling connected accessories in a user's home. Each of Apple's trademark filings are made under specific International Classes which may shed a little light on possible future applications. UPDATE OCT 20: Apple files for HomeKit in US. UPDATE OCT 21: Apple files for Swift in US.