US9419982B2
patent
An image of a second user is captured by a camera of a computing device currently providing access to a first set of resources to a first user. In response to identifying an account of the first user, a prompt is provided at the computing device to confirm authorization of the second user. On receiving a valid response to the prompt, the second user is provided access to a second set of resources provided by the computing
12 claims. 97,668 characters of text.