Social media refers to computer-mediated tools that allow users to create and share information, interests, ideas, and media within virtual communities and networks. According to a 2015 ranking by Alexa, Facebook was the second most popular social media site globally, followed by YouTube, Twitter, LinkedIn, Sina Weibo, VK, Instagram, Blogspot, Pinterest, WordPress.com, Tumblr, Imgur, Odnoklassniki, and Blogger. The ranking showed that the top social media sites spanned platforms like social networks, video sharing, photo sharing, blogging, and image sharing.

2. DEFINITION
Social media iscomputer-mediated tool that allow
people to create, share or exchange information,
career interests, ideas, and pictures/videos in
virtual communities and networks.

4. RANKING OF THE SOCIAL MEDIA SITES ACCORDING TO ALEXA (AUG 2015)
The Site Ran
k
Type Principal
Country
Launched
Facebook 2 Social network U.S. 2004
Youtube 3 Video sharing U.S. 2005
Twitter 9 Social network U.S. 2006
LinkedIn 14 Social network U.S. 2003
Sina Weibo 16 Social network China 2009
VK 21 Social network Russia 2006
Instagram 26 Photo sharing & social media U.S. 2010
Blogspot 31 Blogging U.S. 1999
Pinterest 33 Social media U.S. 2010
WordPress.co
m
34 Blogging and social media U.S. 2005
tumblr 44 Social media U.S. 2007
Imgur 45 Image sharing U.S. 2009
Odnoklassniki 62 Social network Russia 2006
Blogger 69 Blogging U.S. 1999

5. That’s it,, thank
you