I prefer a square or rectangular pizza that is also cut into squares. Even if the pizza is round I prefer square slices. I worked in pizza places for many years and some guy tried to tell me that pizza are only round because it was easier to spread the dough by tossing it in the air, which at a certain time in my life I was capable of doing. But then I worked in a Pizza hut and they never toss the dough, even the crust that is called "hand tossed: