This post is just a short one. One time, when I browse through a home appliance store, I found out that buyers are naming all types of HDTV as LCD. And the sales rep is explaining to a prospective buyer naming the TV as LCD when in fact it's not. To make myself sound at least I know something, I name the TV correctly when I raise my question. When I get my answer, I found out that the sales rep actually know the correct name of it and he know very well the product he is selling. He simply give-in the naming used by the buyers. So here we come, if you don't want yourself to look stupid in front of the sales rep, learn about the three common types of High Definition Television (HDTV).