Twenty years ago, Apple made computers and iPods and Google had a search engine and a few extra services.
But Apple's fast success with the iPhone in 2007 made executives at both companies realize that mobile devices were the future of computing. Google bought a smartphone operating system and the companies have competed ever since, becoming the poles around which all other tech firms orbit.
Today, UnitedHealth Group, Minnesota's largest company, and CVS Health are vying to become the iOS and Android of American health care.