Not sure I understand why we shouldn't have another facebook - sure it's not disruptive anymore - but facebook needs competition and social it is a massive mark

Not sure I understand why we shouldn't have another facebook - sure it's not disruptive anymore - but facebook needs competition and social it is a massive market. I don't hear anyone saying - don't bother making a smartphone unless you are Apple or Samsung (of course this might have been Motorola or Nokia in the past :-) )