3 ms·From the article "And it doesn't work yet on Mac (does work on iOS, Android and windows)."by jnorthrop 14y agoFrom the article "And it doesn't work yet on Mac (does work on iOS, Android and windows)."doogle88 14y agoDidn't work for me on Android 4.0.3 in either Chrome or the Android browserestel 14y agoI suspect it might only be in the Firefox beta stream? (In which case, I'm surprised to see the OP mention iOS).