I would have to use mine while on the CRAPPER!! Would be real handy to have this and my Droid X sit on the Sink/Vanity Counter or on the edge of the tub while I DROP A LOAD! It would be nice to have my hands free so I could grasp the edge of the Toilet seat for those real Constipated moments.. Now if this isn't a true need i don't know what is?!?
This would be an excellent tool for developers. Right next to the big monitor, so I can watch the phone and emulator at the same time. You'd be suprised what a PITA that is when the phone is flat on the desk.
I would use mine at work, which would help me to keep my eyes at a more "I'm actually working" level with my laptop. It's very hard to play Angry Birds while looking like I'm developing code.
I think I can use for a few different things, but I would use most when lying in bed and, while my phone is charging, I can prop my phone up and watch a movie, Youtube, etc.
Since I just traded in my busted up Droid for a DINC (insurance replacement), I would use mine for a nightstand when I'm home, and since I spend a lot of time flying (as a passenger) , I'll be using it to watch movies like "Airplane" on airplanes!!! ...and don't call me Shirley!
I'd use one of these Smartphone coasters while at the airport waiting for a connecting flight or on the actual airplane to watch movies ripped to my fascinate