not OP, but it (usually) refers to a small group of like minded individuals that...

		dhruvkar on Aug 27, 2016 \| parent \| context \| favorite \| on: Breaking a myth: Data shows you don’t actually nee... not OP, but it (usually) refers to a small group of like minded individuals that bounce ideas off of each other. A more proper definition: http://www.thesuccessalliance.com/what-is-a-mastermind-group...