Oh, Apple. Just a few short months ago, a USB port was (largely) a USB port, charging pretty much any gizmo we could find without so much as a fuss. Now, loads of USB ports are throwing temper tantrums when faced with the energy-hungry iPad, with most simply refusing to charge the thing. Apple contends that a 10W USB port is needed to effectively rejuvenate its first tablet, though some sockets will do the trick so long as y
