11/29/2012 08:54 am ET Updated Jan 29, 2013

Tony Fadell: From iPod Father To Thermostat Start-up

In 2011 Businessweek magazine ran an article which said the two men had repeatedly clashed at Apple with Mr Forstall - the iPhone software chief - raiding his colleague's team for talent, creating an "explosive" climate in which the two argued over credit, attention and resources before Mr Fadell ultimately quit.

So what does he make of the news that Mr Forstall lost his post in October after reports of rifts with other executives and a refusal to apologise for the release of a flawed Maps app.

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