Sentient_Nebula on 20 May 2015
Of course 768p exists! The number is how many vertical pixels there are, while the letter indicates whether the screen refreshes progressively (p) or interlaced (i). So 768p could be any screen that is 768 pixels tall and uses progressive scanning (Which 99% of TVs and monitors made these days do).
"Never argue with stupid people. They will drag you down to their level and then beat you with experience."
-Samuel Clemens
