The Electronic Entertainment Expo, E3, is an annual tradeshow showcasing the latest, greatest, and what's next in video and computer games. Held in Los Angeles, E3 2011 runs from June 7-9. Microsoft, Nintendo and Sony, the three big names in the console video game industry, will be holding keynote presentations to promote the latest hardware and software to be released in the coming year. A variety of game developers will also be hosting conferences advertising and showing off what's in store for next year.