Freebase(0.00 / 0 votes)Rate this definition: Etiquette is a code of behavior that delineates expectations for social behavior according to contemporary conventional norms within a society, social class, or group. The French word Ã©tiquette, literally signifying a tag or label first appeared in English around 1750.
Mark is the Founder, Chairman and CEO of Facebook, which he founded in 2004. Mark is responsible for setting the overall direction and product strategy for the company. He leads the design of Facebook's service and development of its core technology and infrastructure.
Site Description. Facebook is the most widely used social networking website that launched in early 2004, founded by Mark. Zuckerberg and several of his college roommates and computer science students Eduardo Saverin, Dustin. Moskovitz and Chris Hughes. Facebook went public in May, 2012.