Google and Europe. It's a bit of a bumpy relationship. Things like the right to be forgotten and good old anti-trust issues are challenges the company has little choice but to divert resources to. Things are only made more complex by the fact that Google runs two operations in the continent -- north and west, south and east. Not for much longer, though, as the two units are uniting and Matt Brittin (current head of the north/west part) is assuming control.