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Now Playing: 4-12-13 Marketplace Tech: Tech on Display During Festival Season

Coachella Valley Music and Arts festival kicks off the season of big summer music festivals across the U.S. and beyond. So what's on the festival's homepage? A link to the Coachella app, of course. But with friend locator apps and visual sharing apps like Instagram and Vine, the list of tech that will be front and center at concerts this summer is growing. But at Coachella, the list goes beyond applications -- there is cooling technology that goes into the festival too.