According to WhatIs.com, social media is "is a collective term for websites and applications that focus on communication, community-based input, interaction, content-sharing and collaboration." SEOPressor takes this a step further to define six types of social media:
On this page, you'll find out more about social media, as well as the dos and don'ts of posting.
Anyone in the profession will tell you that there is an etiquette to using social media. Here are some resources on the Dos and Donts of social media.