TED
TED is a nonprofit organization devoted to Ideas Worth Spreading. Started as a four-day conference in California 25 years ago, TED has grown to support those world-changing ideas with multiple initiatives. The annual TED Conference invites the world's leading thinkers and doers to speak for 18 minutes. Their talks are then made available, free, at TED.com.
TEDx (x = independently organized event)
In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people togehter to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are brande TEDx, where x = independently organized TED events. The TED Confercnce provides general guidance for the TEDx program, bud indicvidual TEDx events ar self-organized. (Subject to certain rules and regulations.)
More information: www.tedxmedunigraz.com