Essay from the year 2011 in the subject Business economics - Information Management, Cologne University of Applied Sciences (Informationswirtschaft), course: Information & Communication, language: English, abstract: This essay is about knowledge sharing and the key question is how do people share information in companies and what communities of practice are. At first, it shows how companies deal with the fact that today's economy runs on knowledge. It presents two different strategies and what kind of strategy companies like Ernst&Young or McKinsey uses. Beyond that, it describes the way how a community of practice works and what kind of differences in contrast to a team exist.