He says the goal is to enable people to visualize pay inequality.

Whaley built the app with his four-person Miscellaneous Mischief team, one of whom is a woman.

tipthemless.org

The lower number is based on the gender wage gap percentage from the census, Whaley said.

"Now people can experience the gender wage gap in a context everyone can relate to: tipping," he explained.

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