Rolling your eyes is not allowed at TED. There’s no rule in the conduct policy (I assume, I haven’t actually checked), it’s just one of those powerful unspoken maxims that goes ignored at your peril. When they hand you your TED badge, you’re consenting to check your cynicism at the door. The TED Conference, which has taken place annually since 1990, was founded on the principle that spreading ideas from passionate people can change the world.

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