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1. Apparently it’s so busy at Tesla that CEO Elon Musk has once again resorted to sleeping on the factory floor. Even crazier, , he doesn’t even have time to go home and take a shower.
2. Japanese researchers say they found a of rare earth metals that could supply the world on a “semi-infinite basis.” That’s a huge deal because we need the metals for batteries in things such as electric cars and smartphones.
3. Finally, wrote that “MySpace Tom beat Facebook in the long run.” Think about it: MySpace founder Tom Anderson now travels the world taking photos of exotic locations — compare that to a certain social media billionaire who just testified before Congress for 10 hours. Huh.

Watch the previous 3 Things to Know video: Zuck Goes to Washington and Makes $3 Billion. Here Are 3 Things to Know Today.