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.
Facebook however, actually started out in theory on October 23, 2003 when Zuckerberg launched Facemash.com. Facemash allowed visitors (basically his Harvard classmates) to compare two student pictures side-by-side to let them decide who was hot and who was not.