Bluetooth is the other 802.11 spectrum technology, which VerySoonNow will be the way for PAN (Personal Area Networks) communication. It’s also apparently being used in cell phones and being hijacked by script kiddies to send unsolicited messages to bluetooth-enabled cell phone users. The idea is simple, use the built-in bluetooth function to send contacts to users, but use it to send messages to anyone around you. My fear is that spammers would soon jump on the bandwagon….More information on BluejackQ.
There’s also apparently a movement to start an official hacker emblem based on the glider pattern from the game of life (shown below).
More information on the emblem here.