How the progress bar keeps you sane | Small Thing Big Idea, a TED series

The progress bar makes waiting more exciting… and mitigates our fear of death. Journalist Daniel Engber explores how it came into existence.

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. Check out more here: https://go.ted.com/STBI

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