As Apple continues work on its much-rumored iWatch, the company is placing a significant focus on expanding Siri's ability to interface with third-party apps, according to a report from The Information summarized by TechCrunch. With input methods for the iWatch limited due to the device's size, Siri's voice capabilities may be one of the best tools for Apple to leverage, and that means improving Siri's capabilities.The report points out how the Siri of today can’t do things like book a car rental or make a hotel reservation, or use a messaging app other than Messages to send a