Author A.J. Jacobs shows how the coffee cup lid was perfectly designed to give you a full sensory experience while drinking.
Small Thing Big Idea, a TED original series, celebrates the lasting genius of everyday objects so perfectly designed that they changed the world around them. (Made possible with the support of The North Face)
Check out more here: https://go.ted.com/STBI and subscribe to our channel here: https://www.youtube.com/TED
