If I move further back on my 50" 4K, I can see all 12. Sitting at the typical viewing distance if I look in between the rows, I can see 8. It is an interesting demonstration of peripheral vision.
if I tilt my head to the sides I can see 9 my laptop kb has that same illusion so I'm experienced in dealing with it lol
12, using my phone. For some reason it doesn't trick my eyes badly at all. Probably would look worse on bigger screen.
2 on a 40" screen 3 ft away, they are energy saving black dots that turn off when not being looked at directly.
Damn, there are real super humans here. I thought I was good by seeing 6 at the same time by tilting my head (and I wasn't even the first one to invent that trick, it seems, since EspHack reported it already).