[peterjs]

I am quite sure that by "scaling" he meant the scaling of their business activities and not software.

"... Google offers to bring that scale to us. For me, ultimately building great products is key.... ...you have to look at markets outside of the US. We are doing very well in the US and Canada but we need to get to Europe and around the globe. Just getting to UK has taken up a lot of time and energy and when you look at Europe, there are many countries and many opportunities. It is an atoms-based business and a lot goes into getting it to scale — legal, physical distribution and even localization are time consuming and need new kind of scale."

Here is the interview: http://gigaom.com/2014/01/13/nests-ceo-tony-fadell-explains-...