LOS ANGELES -- There's nothing quite as identifiable as a face. Retailers use facial recognition technology to more easily nab shoplifters. Casinos have deployed it to keep card counters away. Even a popular New York City venue allegedly uses it to blackball people its millionaire owner considers adversaries. So, it comes as no surprise to many Disneyland guests that it's now being used at the entrance to the Happiest Place on Earth. "Pretty much every other place is doing the same thing," said John LeSchofs, 73, who visits the park roughly every six weeks with his wife. "The police, the government, they're all using facial recognition. I don't think it's going to stop." Photographs of a guest's face taken at the entrance to Disneyland and California Adventure are run through biometric technology to convert the images into unique numerical values. The images can then be compared with pictures taken when a customer first used the ticket or annual pass. Disney officials say the technology helps make entering and reentering the park easier and prevents fraud. But the rapid growth of facial recognition over the last decade has raised concerns among privacy experts who caution that such data can easily be turned over to law enforcement entities or make companies hacking targets. "The normalization of facial surveillance is really problematic," said Ari Waldman, a professor of law at UC Irvine. "We can't go around life hiding our faces, so this isn't just next step in surveillance, it's qualitatively different. In a world of facial recognition, when people leave their house it automatically means they're identified." Venues over the last decade have increasingly begun to lean on facial recognition to speed up entry and purchases for guests. At Intuit Dome visitors can use "GameFaceID" to more quickly enter the stadium for Los