I do find that Twitter could be very useful for keeping in touch with friends while snowboarding, especially if you get lost, check out this story of a snowboarder who was saved via his iPhone GPS and Twitter.
Some snowboarders got lost in the alps. The guy with the iPhone, Jason Tavaria, used the phone’s GPS to aid his rescue. Tragically, his friend did not make it. Rescuers found the second lost person’s body at the bottom of a +60 foot fall next to a stream. The lost snowboarders’ friends kept in touch via twitter. It appears that while these skiers and snowboarders went off piste, none of them carried any sort of radio or satellite personal locator beacons…
