Being an owner of an iPad, iPod Touch or an iPhone, one must know how fast the memory gets gobbled up. And with no expandable memory cards for these devices, you probably end up deleting your important data(and frustrated on your choice).
File sharing through Bluetooth has been a feature from the time Bluetooth enabled phones started to surface. Although iPhone, iPod Touch(from the iPod Touch 2g) and the iPad had Bluetooth from the start, OBEX file transfer protocol was never officially supported. The Bluetooth profile can only be used to pair audio headsets or speakers.