Do people want to put your icon on their home screen?
Read MoreInstead of thinking about the constraints of mobile - of the things you can't do because the screen is smaller and there's no keyboard - we should rather think of the PC as having the basic, cut-down, limited version of the internet, because it only has the web. It's the mobile that has the whole internet.
Read MoreGoogle needs reach, but mobile means that there are lots of different kinds of reach.
Read MoreOld: all software expands until it includes messaging
New: all messaging expands until it includes software