Jon counts all the pixels in the world

How many are there? 21 quadrillion pixels An old friend asked me, Hey Jon, how many pixels do you think there are in the world? TV’s, PC’s, smart phones, tablets. It’s going to be a lot!  But how many? Twenty-one quadrillion, six hundred and thirty-four trillion pixels in use today:  21,634,876,802,016,700.00   To start the analysis, I started with what was shipped in 2017—2.1 billion GPUs. I’ve only counted bit-mapped displayed pixels, no LED dot matrix displays. GPU Shipments   Then I made an estimate of the average screen resolution for all those devices, and to make life manageable I assumed