Matt Haughey has an awesome article on Bluetooth,Crazy about Bluetooth.
It’s awesome because one of the reasons I moved to the Apple was being able to access the internet through a GPRS Bluetooth enabled phone this summer while traveling (well that and this battery life that seems to never run out).
Matt sums it up best when he says:
There’s something impressive about leaving the phone in your pocket and getting a connection just fine (though you do have to fight the urge to yell “Hey everyone! I’ve got the internet in my pants!“).”