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.
September of 2005 saw the launch of the high school version of Facebook, to join people had to be invited. Facebook then expanded into businesses such as Apple Inc and Microsoft. Finally in September of 2006 Facebook was opened up to anyone aged 13 or over with a valid email account.