People prefer thin to flat. It spends more time in a pocket than on a table. People don’t really put their phones down.

But is it really thin if there are parts that are thicker? The "depth" or whatever should be measured where it's thicker, not thinnest.

I guess I'm too much of an office worker to get that most people have their phones in their pocket, as soon as I sit down at my desk the phone gets placed on the desk.