Most Android phones don't have glass running all the way to the edge, I'd imagine that's a factor. Semi-related: I've dropped a pocketknife blade first on a No

Most Android phones don't have glass running all the way to the edge, I'd imagine that's a factor. Semi-related: I've dropped a pocketknife blade first on a Nokia E71. There's the tiniest scuff on the screen, that's it. (And it's still in active use. Remains the best phone with a keyboard ever built.)