Love it, one of the more interesting google logos. I'm still not sure whether dynamic identities are good or bad for a brand. The pros are it keeps the brand fresh, it allows the users to interact with the brand. But the cons are it can make the brand less recognisable and maybe the confusing for some users. Thoughts?
Consider how many other companies are having their logo blogged, discussed and emailed around to friends today like Google's. I think you'll get your answer about whether it's worth it for them.