For years, Nokia and Motorola ruled the cell phone industry. But that all changed with the development of the smartphone. With all of the mobile phone manufacturers still producing today, which are the most successful? Let's take a look at cell phone trends and sales throughout the years, from the very first Motorola in 1983 to the Apple iPhone 5S of 2013.

See More: From Bricks to Brains: The Evolution of the Cell Phone