Making Apple Watch sensors with Jony IveFighting for the user.
Bob Messerschmidt's company was acquired by Apple and Messerschmidt ended up working on the heart rate sensor for the Apple Watch. That involved interacting with Jony Ive and the Industrial Design team, and learning how Apple builds products.
Fast Company:
One great example is [when] I went to a meeting and said I'm going to put sensors in the watch but I'm going to put them down here (he points to the underside of the Apple Watch band he's wearing) because I can get a more accurate reading on the bottom of the wrist than I can get on the top of the wrist. They (the Industrial Design group) said very quickly that "that's not the design trend; that's not the fashion trend. We want to have interchangeable bands so we don't want to have any sensors in the band."
Then at the next meeting I would go "we can do it here (on top of the wrist) but it's going to have to be kind of a tight band because we want really good contact between the sensors and the ski...
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Making Apple Watch sensors with Jony Ive