The Sony Xperia Z1 has a 1080p display. That's 1920x1080 pixels. That makes the display carry a total of 2,073,600 pixels.
I somehow managed to find the two dead pixels that were who-knows how long already there. two, out of more than 2 million.
The chances of looking at one random pixel and finding one of these two dead ones are literally less than one in a million.
I couldn't take a photograph of my dead pixels without using the reverse lens mounting technique to make a regular lens work as a macro lens.
Only then was I able to snap this particular photograph. Oh, and while we're on the topic of displays, just look at how the blacks are really black - you can't see any dimmed pixels, it just looks black!
Whispering: "I see dead pixels" by Herman Groenbroek, on Flickr
As another side note: the two dead pixels are smaller than the average piece of dust. For reference, there's an actual piece of dust just out of focus in the upper left part of the Album App in my photograph.