Which one u open?? if u have only 1 choice..

hai  this questn just for fun''

 u went to a village for 2 months and there is no mobile and no communication to that village... one day u find internet on that village but there is only 1 window and  1 tab to that browser... and u have only 5 mins to browse  then tell me which site u ll open

1 gmail

2 facebook

3 caclubindia

4 any other professional site(pls specifyname)