E3 begins: What's buzzing at the biggest gaming expo in the world?

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2012 E3 Expo attendees test out new versions of handheld portable gaming units.

Today's the first day of the Electronic Entertainment Expo — better known as E3 — right in downtown Los Angeles. The three-day conference will showcase everything that video game companies will have to offer in the upcoming year.

Alright, gamers, time to stretch your thumbs and get ready. Today's the first day of the Electronic Entertainment Expo — better known as E3 — right in downtown Los Angeles. The three-day conference will showcase everything that video game companies will have to offer in the upcoming year.

Joining the show for a wrap is Jeff Bakalar, games editor of CNET.