social networking

in past month, i spend some time on social netwoking sites.every day , i found some new site in either corner on world in google news search. i doubt , in future onley few will survive.it is alarming ,they nom also not have unifrom international character.orkut is making its place fastly in india, pakistan,iran and brazil.in india young generation becoming virtually addict of orkut.These sides are also test of SMALL WORLD PROJECT, RULE OF 150(DUNBAR NUMBER), SIX DEGREES OF SEPARATION.relatively low preseance of net in india and china ,seems a great revoluation in near future.