How about a different kind of mobility - a Frisbee Mod! It would be the ultimate (ha ha) in portability and mobility. You would, of course, have to account for weight, aerodynamics, and durability. Uses? Easy to carry and disguise. We all share laptops & phones to look at photos, videos, txts - now you share across a crowded room, or a football field. Military use - with wireless and various sensor packages, you could distribute a mesh or sensor network.