Source and Reddit comments:
Stashed in: Music Videos!, Music Videos, Mashups, @majorlazer
One of the better mashups I've heard in a while. This one grew on me as the video went on.
This Internet hero made tiny paper hats for his 3-legged cat
Why Ray Kurzweil's Predictions Are Right 86% of the Time...
Meet New Glenn, the Blue Origin Rocket That May Someday Take You to Space
Furor Erupts Over Facebook Experiment on Users - WSJ