Cash App founder Bob Lee died Tuesday at 43

Cash App allows users to send and receive money quickly and easily around the world.

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Lee, also known as "Bobby," co-founded the app in 2013 with his friend and colleague, Jack Dorsey founder and CEO of Twitter .

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Lee worked as an engineer at various tech companies, including Google and Square before joining Cash App.

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Lee is known for his expertise in software engineering and is a strong advocate for diversity and inclusion in the tech industry.

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Bob Lee is also a co-founder of a non-profit organization called Black Girls Code, which aims to increase the number of women of colour in technology.

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Lee's new venture with Cash App has changed the way people send and receive money.

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His commitment to social justice and diversity has made him a well-respected figure in the tech industry.

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Bob Lee, founder of Cash App and former Square chief technology officer, died Tuesday in San Francisco.

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