1 Social media is defined as a medium of technology , websites and applications which allows users to communicate and share content easily throughout the world .
2 Forms of electronic communication (such as websites for social networking and micro blogging) through which users create online communities to share information, ideas, personal messages, and other content.
3 Social media are the medium or user friendly applications through which we can easily share our emotions in real time with no charges.
4 Social media can also be used as a business strategy as the marketing helps to validate your brand. A company’s social media presence, when done correctly, tells consumers that their brand is active. And it is economic too as the consumers can easily know the promotions and sales dates.
5 Social networks—Connect with people
Media sharing networks—Share photos, videos, and other media
Discussion forums—Share news and ideas
Bookmarking and content curation networks—Discover, save, and share new content
Consumer review networks—Find and review businesses
Blogging and publishing networks—Publish content online
Interest-based networks—Share interests and hobbies
Social shopping networks—Shop online
Sharing economy networks—Trade goods and services
Anonymous social networks—Communicate anonymously