Facebook is an online social networking site which was launched on February 4, 2004 by Mark Zuckerberg. Whatssap is a proprietary instant messaging client for smartphones. Both these works with the help of internet. Whatsapp was bought by the Facebook company on February 19, 2014. These are very useful to people as one can connect with their friends, relatives or family from any sphere of the world. Both of these was involved in many controversies but now Facebook has over 7 million active users and Whatssap has approximately 900 million users making it the most popular messaging application. These sites should never be misused as there are many problems arising due to the misuse of such sites.