c.e.o. tony fadell is leaving alphabet two years after to google. bloomberg news is following the story. re joined now from san francisco. what can you tell us about why tony fadell left? >> they have been struggling the last, i would say, year and a half under google's wings. they had some slow product of other newa lot products that have not emerged yet. ofn there was quite a lot argument among some of the rank and file at nest, some of the that tony fadell has quite a divisive management style. together and tony is leaving. >> so a bit of a culture clash. we actually spoke to tony fadell ago at the world economic forum about why he sold his company to google. listen. >> we've been producing new products, but we've wanted to roll them out to multiple countries. we're in 96 countries where we don't even sell today, because devices beingse connected but we can't get there fast enough. for us, going with google, we could get financing. that's not a problem. but going with google, we can to resources to allow us to move these products around the world much more quickly, because as a small s