Yahoo, altavista, askjeeves, Google Friendster, MySpace, Facebook Netscape, ie, chrome Icq, aim, MSN messenger, a million other chat apps First mover advant

Yahoo, altavista, askjeeves, Google Friendster, MySpace, Facebook Netscape, ie, chrome Icq, aim, MSN messenger, a million other chat apps First mover advantage doesn't last long Very high chance that the winner in five years is a company that does not yet exist