Social media refers to social activities that combine technology, social interaction, and sharing of information, words, images, and videos worldwide. It includes social networking sites like Facebook and LinkedIn, microblogging sites like Twitter, photo and video sharing sites like YouTube and Flickr, as well as virtual worlds and online games. Social media marketing uses multiple online social media platforms to build a brand's fan base and advertise or sell products to a huge potential audience.

1. Social Media By Seema Bilimoria.