Can someone please provide the context what epsilon and phi suppose to represent and why they are 4 and 1/4?

Gold.

Proton Pass has a feature exactly for that. You can create unlimited number of aliases, and kill ones that bacame compromised.

There is simpler explanation. People who watched this video acvtualy buy the product more often then people who didn’t.

So it flaged you as someone potentially interested and selected you when advertisers chose to target people similar to their actuall historical clients.

(I’m not saying they don’t scan videos. I’m saying they don’t have to do it to achieve effect like this)

I belive it was memicaly hot for one third of the second and it died in flames. I’m surprised it still exist.