Although the latest incarnation of the iPhone launched less than two weeks ago, it appears Apple is wasting no time in applying for patents for technology that it could add to future iPhone models. According to the website MacRumors.com, Apple is researching haptic display technologies, which would allow for tactile feedback on the iPhone's touchscreen--thereby countering a gripe against the device. Additional patents point to fingerprint identification technology and RFID tag readers in touchscreens. Article