reporting that Danger has received FCC approval for the company's HipTop device. According to the FCC filing, the device will make use of the AOL Instant Messenger and offer connectivity on T-Mobile (VoiceStream in the U.S. belongs to T-Mobile) networks. In the FCC filing, the device is also listed as a "T-Mobile Device", showing further proof that that Danger is going along with the company's original plan to let carriers put to market own-branded versions of the device.">