The United States may be overtaken by China as the world’s largest smartphone market this year, but it’s nevertheless a huge and highly influential market. According to Comscore, more than 100 million Americans now own a smartphone, a number that keeps growing.

We thought it would be interesting to take a closer look at the state of the US smartphone market. Where is it, and what are the trends? As you’ll see, things have changed dramatically in very little time.