A method for conducting an e-commerce transaction between a user and a merchant is disclosed. The user has a customer account with a communication provider operating a first communication network. The customer account includes personal information about the user. The method includes the steps of: a) establishing communication between the user and the communication provider over the first communication network; b) authenticating the user to the communication provider; c) selecting a product from the merchant for the e-commerce transaction; d) retrieving the personal information about the user from the customer account; and e) completing the e-commerce transaction.