Thanks to advances in face recognition tech, Virginians applying for driver's license or identification cards can now again flash a smile for the camera.For the last few years, authorities have required that applicants maintained a neutral expression in images – smiles were banned.At the time, the DMV said the agency was develop a facial recognition system that could compare customers' photographs over time to prevent fraud and identification theft.This has now all changed due to the introduction of new software.Citizens can now head to any DMV customer service center or DMV 2 Go mobile office to get it retaken. It would cost you $20 to get a replacement driver's license or $10 for a new ID card.In October, Twin sisters attempting to apply for driving permits in the state of Georgia exposed a flaw in facial-recognition software – both were assumed by the technology to have the same identity.