<p>News that Satya Nadella is Microsoft's new chief executive was accompanied by the intriguing development that Bill Gates - the firm's co-founder - has quit being chairman to become a product adviser. He says it will be a more time-consuming role.</p><p>Commentators asked, was he pushed or did he jump? But a more useful question might be: what does Mr Nadella gain by keeping him around? The BBC asked tech writer Jack Schofield what he made of the move.</p><p>As part of the management reshuffle, Gates has resigned as chairman of the board of directors and will work as a "technology adviser", though it's not clear what that means.</p><p>He already has a full-time job, along with his wife, running the Bill and Melinda Gates Foundation, and their focus is on saving the lives of Third World children.</p><p><a href="http://www.bbc.co.uk/news/technology-26037174">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.cnn.com/2014/02/04/tech/innovation/bill-gates-microsoft-impact/?hpt=te_t1">From Windows to the Xbox: Bill Gates&#039; &#039;pioneering&#039; impact</a> (CNN)</p><p><a href="http://www.thehindu.com/news/cities/Hyderabad/nadella-an-affable-and-articulate-person/article5654088.ece">Nadella, an affable and articulate person</a> (The Hindu)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=d-K7hxqIizMV3DM_80JxfR5sXyzjM&authuser=0&ned=us">2,076 additional articles.</a></p>