This looks interesting:
I am sure no one will put that think on their helmets! The chest mount is the obvious choice. Even with the negatives, it shows how the smartphones are taking over, or will take over, a good part of the photography market. Camera sales are already in the crapper due to the smartphones.My iPhone literally freezes and turns off when the temp is in the 20's and I take it out of my pocket for more than 30 seconds. Looks like buyers will be in for a surprise.
Not to mention, that case is so wide that the slightest fall will result in the mount breaking and you being phone less.