Table tennis, ping pong, and whiff-whaff are all names for one of the most popular and interesting sport in the world. Almost everyone has played it one time or another, and I think everybody agrees that it is a lot of fun. Its now growing in popularity in the U.S. More people are starting to treat it more like a real sport rather than just a recreational game. Truth is that it's a real Olympic sport and has been around for hundreds of years. In fact, table tennis is considered China's national sport.