Recent patent applications filed by Apple have provided clues as to where the company may take its iPhone interface in the coming years. In particular, side from these motion and gesture-detecting technologies, the patent diagram also reveals a front-facing camera, which has sparked speculation that Apple might be adding videoconferencing capabilities to its smartphone. The first and second-generation iPhone don’t include video recording at all, at least not officially, but the feature is rumored to be coming out this summer with an updated device.