Mashable reports: “Long before Bill Gates made loads of money off Microsoft or set out to change the world with his foundation, he was probably just a boy playing hide-and-seek. Now, the noted philanthropist wants you to join him for a virtual throwback round of the childhood game. And it’s all an effort to celebrate the impact of life-altering social innovation. In a recent blog post titled “Hidden in Plain Sight,” Gates challenges readers to learn about the overlooked contributions of simple innovations by playing a VR game of hide-and-seek.”

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