Pizza, one of my favorite foods, but i dont know much about it. Did pizza actually originate in italy or was it popularized there?
I like it too, I make it at home using yeasted flatbread  topped with tomato sauce and cheese and baked in an oven.
Nice. I've never made my own pizza. Are there different/special categories or styles of pizza?
No all i know is that Pizza is Pizza, only difference is sometimes you can get your own special flavor by  adding vegetables, meats, and condiments, and can be made without cheese. The key word here is to get creative so as to have a different taste 
Yeah cool. When was the first pizza developed or baked?
Good question, the history date as far back as 10th century
Wow pizza is very very old. Can you told me a weird fact about pizza people barely know? A lot of people never talk about pizza unless they are talking about toppings haha.
I actually have not had a bad moment with Pizza, but I know that modern pizza was  invented in Naples and since then different variants  of Pizza with nice flavors have flooded the market
Oh naples that is interesting. What country loves pizza the most if i may ask?
called pizzettas.
The term "pizza" was first recorded in the 10th century in a Latin manuscript from the Southern Italian town of Gaeta in Lazio, on the border with Campania. Modern pizza was invented in Naples, and the dish and its variants have since become popular in many countries. It has become one of the most popular foods in the world and a common fast food item in Europe and North America, available at pizzerias (restaurants specializing in pizza), restaurants offering Mediterranean cuisine, and via pizza delivery
Italian tomato pie
Italian tomato pie is an Italian-American baked good consisting of a thick, porous, focaccia-like dough covered with tomato sauce. It may be sprinkled with romano cheese or oregano. It is not usually served straight from the oven, but allowed to cool and then consumed at room temperature or reheated. Like Sicilian pizza, tomato pie is baked in a large rectangular pan and served in square slices. In Rhode Island it is cut into long strips and often called pizza strips. Tomato pie descends