On Friday night, Hatsune Miku performs songs on her biggest stage yet — Coachella. The turquoise-haired Japanese icon has been touring North America, singing to thousands of fans in large concert venues. She's inked branding deals over the years with companies including Google . And on Friday, she's expected to thrill her followers at one of the world's biggest music festivals — on the same day as Lana Del Rey and the Deftones. But Miku is not human. She's a totally digital creation, like an... Read this story