Yes it defeats the whole purpose of a touch screen, but if you love your iPhone while never quite got the hang of typing on a non tacile screen, My Touch Screens is the product for you.

For $7.99 you can get a sticker that will cover your iPhone and bring back that tactile feeling, so you make less typos and can feel what your doing.

[video:id=NmQPuQZPy_8]

And as you can see from this video, the sticker doesn't interfere with watching video nearly as much as you'd think.