Comment by ricardobeat

Waayy back in 2009 we had Bump [1], which allowed transfer between devices and later web apps as well – by banging your phone against the spacebar. It worked 98% of the time and was faster than AirDrop is today, even though we only had 3G.

Google acquired it and immediately killed it.

[1] https://en.wikipedia.org/wiki/Bump_(application)