Web mail (hotmail,yahoo,gmail) contacts reader

hi

  i have developing a web application for Interface of a CRM  application, this interface need Read all contacts from Users Email acounts which like (gmail,hotmail,yahoo,rediffmail,live,aol,etc.) so here i can read the gmail, yahoo,rediffmail contacts but i cant read hotmail,live,aol,msn.. if you people have any solution for this problem pls help me... and another one thing i need to read Outlook address book and various social networking sites address book...

Thanks & regards
dv.ramesh