(Reuters) - Billionaire entrepreneur Elon Musk's brain-chip startup released footage on Friday appearing to show a monkey playing a simple videogame after getting implants of the new technology. The 3-minute video by Neuralink https://www.youtube.com/watch?v=rsCul1sp4hQ shows Pager, a male macaque with chips embedded on each side of its brain, playing 'Mind Pong'. Although he was trained to move a joystick, it is now unplugged.