Is the illuminati real? 10 easy points?

Is the illuminati real? i read online they were behind the murder of tupac and President kennedy. Is kobe, lebron, Jay-z and Nas really part of this organization? If it is real, then how come a lot of people do not know about it? And is this video about the illuminati true?http://theilluminatiwatch.com/2010/07/26/2pac-illuminati-connection/