Top 5 Most Popular Social Networking Sites as of March 2017 by eBiz
1 1. Facebook
1.1.1 Facebook is a popular free social networking website that allows registered users to create profiles, upload photos and video, send messages and keep in touch with friends, family and colleagues. Mark Zuckerberg is co-founder and CEO of the social-networking website Facebook, as well as one of the world's youngest billionaires.
2 2. Youtube
2.1.1 YouTube is a free video-hosting website that allows members to store and serve video content. Susan Diane Wojcicki is an American technology executive. and the current CEO of YouTube.
3 3. Twitter
3.1.1 Twitter is a free social networking micro-blogging service that allows registered members to broadcast short posts called tweets.Jack Dorsey is an American computer programmer and internet entrepreneur widely known as a co-founder and CEO of Twitter.
4 4. LinkedIn
4.1.1 LinkedIn is a social networking site designed specifically for the business community. The goal of the site is to allow registered members to establish and document networks of people they know and trust professionally. Jeffrey "Jeff" Weiner is an American businessman and the chief executive officer of LinkedIn.
5 5. Pinterest
5.1.1 Pinterest is an online service that allows you to share images through social networking. An example of Pinterest is the website where you have a "pinboard" that allows you to post ideas that you want to remember and then share them. Ben Silbermann is an American Internet entrepreneur who co-founded and is CEO of Pinterest.