For a while, most smartphones had about the same size. The iPhone set the display benchmark at 3.5", then you have to build a body around that and a few controls. Everybody was building around 140 grams and the same size. Then the Android phones started growing. 4", 4.3", 4.5", 4.7", and finally 5". The iPhone 5 has a tall 4" display, the Lumia 920 sits at 4.5". Those phones feel a lot more different than you can imagine from looking at the photo above. From left to right: Lumia 800, 900, 920, iPhone 4 and 5.
The 808 PureView has a 4" display, but it's much thicker because it has to accommodate the huge camera module. And still, it's much easier to hold than the larger slabs. I think the hump on the back actually helps to hold it well.
Since I am using this as a full fledged camera I also added a strap. Otherwise I would have dropped it a dozen times, and sometimes from great heights.
Off topic, but the first photo with the reflections - awesome!
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