Last year Motorola introduced the idea of eliminating passwords by using digital tattoos that you could keep on your body to unlock your cellphones securely.Well, just about a year later they’re on sale in the United States for $9.99 per 10 digital tattoos and are compatible with the Motorola Moto X phone.

Last year Motorola introduced the idea of eliminating passwords by using digital tattoos that you could keep on your body to unlock your cellphones securely.Well, just about a year later they’re on sale in the United States for $9.99 per 10 digital tattoos and are compatible with the Motorola Moto X phone.