Why Do We Tip

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http://youtube.com/watch?v=Hztzdmw4-Yw

The short history (and backward logic) of gratuity, explained by Atlantic business editor Derek Thompson. • Watch more episodes of Economics in Plain English: http://bit.ly/1rqkLRT • Watch more videos: http://www.theatlantic.com/video • Subscribe to The Atlantic on YouTube: http://bit.ly/1pE29OW • Follow Derek Thompson on Twitter:   / dkthomp   • Twitter:   / theatlanticvid   • Facebook:   / theatlantic   • Google+: https://plus.google.com/+TheAtlantic • Subscribe to The Atlantic on YouTube: http://bit.ly/subAtlanticYT

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