The life of Japan's oversized sumo wrestlers isn't all grappling and ceremony, y'know. There's also practical considerations the average Toshiro might not even consider. For instance, when you're hand's the size of a baseball mitt, typing on a cell phone's keyboard is next to impossible.
To that end, Japan's sumo wrestling governing body is distributing iPads to the 51 sumo stables. The goal is to avoid missed calls or faxes, as well as to sidestep the fact that many stablemasters don't even use computers.