Explore the top 15 most popular social networking sites that have changed over the years, and you can expect them to continue to change as times goes on. Old social media trends are changing day by day, and the new trends are appearing.

1Facebook

Focus: Photos, Videos, Blogs, Apps.
Date Launched: February 2004.
Registered Users: 1.44 billion+
Website: www.facebook.com

2Twitter

Focus: Micro-blogging, RSS, updates.
Date Launched: 15 July 2006.
Registered Users: 302 million+
Website: www.twitter.com

3LinkedIn

Focus: Business & Professional Networking.
Date Launched: May 2003.
Registered Users: 400 million+
Website: www.linkedin.com

4Pinterest

Focus: Visual discovery, Collection & Storage tool.
Date Launched: 2011.
Registered Users: 70 billion+
Website: www.pinterest.com

5Google+

Focus: General.
Date Launched: 28 June 2011.
Registered Users: 418 million+
Website: plus.google.com

6Tumblr

Focus: Microblogging & Social networking.
Date Launched: February 2007.
Registered Users: 110 million+
Website: www.tumblr.com

7Instagram

Focus: Photos & Videos sharing.
Date Launched: 6 October 2010.
Registered Users: 100 million+
Website: www.instagram.com

Top 15 Most Popular Social Networking Sites

8VK

Focus: Photos, Videos, Blogs, Apps.
Date Launched: 10 October 2006.
Registered Users: 450 million+
Website: www.vk.com

9Flickr

Focus: Photos & Videos sharing.
Date Launched: 10 February 2004.
Registered Users: 650 million+
Website: www.flickr.com

10Vine

Focus: Video Sharing.
Date Launched: 24 January 2013.
Registered Users: 200 million+
Website: www.vine.co

11Meetup

Focus: General.
Date Launched: 12 June 2002.
Registered Users: 40 million+
Website: www.meetup.com

12Tagged

Focus: General.
Date Launched: October 2004.
Registered Users: 38 million+
Website: www.tagged.com

13Foursquare

Focus: Geo location based Mobile Social network.
Date Launched: 11 March 2009.
Registered Users: 45 million+
Website: www.foursquare.com

14Myspace

Focus: Geo location based Mobile Social network.
Date Launched: 01 August 2003.
Registered Users: 36 million+
Website: www.myspace.com

15Classmates

Focus: General.
Date Launched: 17 November 1995.
Registered Users: 15 million+
Website: www.classmates.com