I thought it was still a far-fetched concept when I saw this video 3 years ago: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=vt20UnkmkLI" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=vt20UnkmkLI</a>