"The concept of any kind of botnet harnessing smartphones has in the past been overlooked as some kind of pointless exercise - but considering the alternative uses for smartphones could it be the next big thing on the horizon, just waiting for the right person with the right brilliance to make it happen? these little devices walk around collecting data on us, spewing our information, and acting as GPS tracking devices .... perhaps not a botnet for mining, but one that can locate a person on demand. Consider it similar to the RFID id badge systems that let you know where an employee is in the building at any time - but farther reaching. Take it to an extreme - knowing where a victim is at any given time in order to time coordinate various acts of hacking. "