ZDNET's key takeawaysGoogle's selfie video sign-on helps users recover their accounts. Users can upload a selfie video to regain access to their accounts if they've been locked out or are away from their usual device, the company said Thursday. Multiple methods are keySince deepfakes pose such a serious threat to video verification methods, experts agree that multiple verification tools are required to mitigate their impact. Google's privacy policy states that if users choose to share biometric data, Google may use it for product development studies. Selfie video can only be used for sign-in, and Google may require additional sign-in methods to confirm identity.