Earlier quoted context omitted.
I'm curious which years you were at Google? The bottom-up culture has been dead for the past 2 years, and a deluge of projects were canned in the past 12-18 months. There's really zero chance now of starting your own project at G and building a team around it.
I left literally last week. I looked for other positions internally, and I did get the sense that there were lots of "startup opportunities" within Google. Cardboard is an example of new-ish team, in the process of ramping up. I wonder why we saw things differently? I stayed away from the big central codebase (you know the one), instead working in Android and Chrome. Maybe the bottom-up culture is more vibrant on the…
AFAIK 20% time is dead, and has been for > the last 2 years. People only use it to try out new teams before transferring.
But I never did get access to the "other" codebase, so you know more than I in that respect. :)