Tony Fadell — American Inventor born on March 22, 1969,

Anthony Michael "Tony" Fadell is a Lebanese-American inventor, designer, entrepreneur, and angel investor. He served as the Senior Vice President of the iPod Division at Apple Inc., from March 2006 to November 2008 and is known as "one of the fathers of the iPod" for his work on the first generations of Apple's music player. In May 2010, he founded Nest Labs, which announced its first product, the Nest Learning Thermostat, in October 2011. Nest was acquired by Google in January 2014 for $3.2B.Since early 2015, he is leading the Google Glass division... (wikipedia)

I've been working with contractors designing and building a house on a nonstop basis since 2005. I learned about all these systems of audio, construction, electricity, energy, water systems.
Nest Thermostat owners like the carbon monoxide link. If Nest Protect's carbon monoxide alarm goes off, the Nest Thermostat automatically turns off the gas furnace.
Learning by doing is the only way I know how to learn.
Typical mergers happen when there are two competitors coming together, and they reduce overhead.
I knew a lot about product design before coming to Apple, but I didn't understand a lot about consumer experience design, which is really Apple's forte.