17 January marks World Pizza Day, a celebration of a dish with more than 2,000 years of history. From Neapolitan and Roman styles to Margherita, diavola, and even potato-topped variations ...
But there are some topics that are off limits for American users to talk about on the app — like the 1989 Tiananmen Square Massacre. TheWrap learned that firsthand on Wednesday. The app quickly ...