'Social media' conjures up thoughts of instant internet communication, global chatter over the web, computers, mobiles, tweets, posts etc. But there is a communication form that predates these modern tools - political street art. Street art can be dated back to ancient Egypt and throughout history it has been employed by those with a political point to make.
From the outset of the Arab uprisings, people from Egypt to Libya have been enjoying their newfound freedom of expression, taking to the walls to say what they want to say. In this week's feature, Listening Post's Meenakshi Ravi looks at a communication form that is for the people, by the people.