From VOA Learning English, this is the Technology Report.More and more people around the world are using wireless or mobile devices.In some countries, smartphones and other mobile devices serve as replacements for the traditional desktop computer.This increase in mobile device usage has also led to the growth of the mobile gaming industry.Experts say the industry will be worth more than $11 billion this year.Early computers were too slow to process the amount of data needed for realistic pictures, sound and special effects.But processor soon became faster and less costly.Manufacturers saw there was money to be made, so they developed machines designed only for games.Now, smartphones and other mobile devices have created new ways to play games.Large companies compete in an expanding gaming market.Gamers and game developers recently showed and tested their products at the Electronic Entertainment Exhibition in Logs Angeles, California.The event is called E3 for short. Gaming industry leaders like Xbox and PlayStation demonstrated new products at E3.