social networking sites

Today in this era the best way to communicate with families member liveing far away or friends are the social networking sites. These sites let the users to chat, share photos and videos among them. 

Today the widely used Social Networking site is FACEBOOK made my Mark Zukerberg

 which has more than 600 million active users as per the survey of 2011.

Not Only Facebook is in widly used but also Twitter,

 which enables the user to send and read messages called   tweets . These tweets are text-based posts of upto 140 characters displayed on the user's profile page.