Orkut

Orkut is one of the popular free online social network community that is designed for connecting friends together, find new friends, promote your business, and flourish existing relationships. The Orkut is owned and operated by Google, but the website was originally made by a Google employee Orkut Büyükkökten on January 24, 2004 and so it's named as Orkut.
Orkut is one of the most popular and most visited website in India and Brazil, but it's less popular in other countries like US than it's competitors Facebook, Myspace etc. Brazil ranks 1st in delivering huge traffic to Orkut and India ranks second position for it.

Homepage: www.orkut.com
Mobile Page: m.orkut.com

Features of Orkut:
Profile system with many features
Flourish existing relationships
Make new friends
Find your partner
Promote your business
Private message system
Scrapbook where you can send public messages to your friend
Share your pictures with friends and families
comment on others pictures
Share your videos through Youtube or Google video
comment on others videos
Share your thoughts
Create communities and participate in other communities
Participate in forum discussions of communities
Share your web-links
Gtalk integration
Latest updates of friends
Friends and Family management
User profile restrictions
External applications
Orkut stylish themes with cool interface
Invite friends
Mobile interface (m.orkut.com)
Google account integration
Abuse report and management