From there, you can restrict access to the browser, Kindle Store and the Cloud, requiring all users to enterapassword to utilize that functionality -- simple, but no doubt effective for parents looking to keep their kids out of monochromatic trouble.
To make a purchase on a website, a MasterPass user would enterapassword on the checkout page of a merchant who has installed the service as a payment option instead of typing in their card number, security code and other information that experts say slows down e-commerce transactions.