|Scannable QR code advertisement in the sky, made by drones in Shanghai|
Video here. Comment on the Reddit page referenced urbanhell, which has a different take on our glorious urban life, which made me think that some people (like me) will think this is really cool, and some people (also like me) will wonder what hath god wrought? Which brings to mind the line 'this could be heaven or this could be hell', hence the name of the song becomes the title.
Via daily timewaster