The BBC is running
about surfing the net while surfing waves. It had to
So on the beach you have a radar wave tracker spotting the best waves while they are still miles off shore your location is sent back from your onboard GPS and the PC can then tell you when to paddle.
As you come off your wave motion sensors have analised how you have been surfing and tell your where you can imporove your technique.
No waves then why not have a little IM chat with some friends stuck in the office even send them a photo.
Stupid idea anyway.