Brain-to-brain interface lets you control your friend's physical movements
Brain-to-brain interface was earlier demonstrated on rats by researchers at Duke University. However, this is the first time that this experiment has bee successfully performed on humans. Researchers captured a full video of their experiment, see it below -
Source: <a href="https://www.washington.edu/news/2013/08/27/researcher-controls-colleagues-motions-in-1st-human-brain-to-brain-interface/" target="_blank" rel="noopener noreferrer">Researcher controls colleague’s motions in 1st human brain-to-brain interface | UW News</a>