Check out Microsoft's original source code from 50 years ago that Bill Gates calls 'the coolest code' he's ever written

Bill Gates is reflecting on 50 years of Microsoft.

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• Bill Gates is taking a look back at the code that started it all.
• The Microsoft cofounder this week published the code that became the first product of the company.
• Take a look at Microsoft's origins as the company turns 50 this month.

Microsoft is turning 50 this year, and Bill Gates is looking back at how the company got its start.

The Microsoft cofounder published a blog post...