It's his last day on the job - sort of. Today marks Bill Gates' last full-time day of work at the behemoth he created: Microsoft.
For a photo recap of his career, click Gallery above.
While he'll no longer be in the office everyday, he'll remain on as non-executive chairman at the company which made him a billionaire.
Now, he'll be using his free time and spare cash to help improve healthcare and battle poverty with the Bill and Melinda Gates Foundation.
If you can't get enough of Gates, check out these stories:
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