主权项 |
1. A method comprising:
receiving, at a point of sale device and from a mobile device, input data associated with a sale transaction of a user of the mobile device, the input data including an e-mail address associated with the user of the mobile device, wherein the input data is received at the point of sale device over a wireless communication network; extracting, at the point of sale device, the e-mail address associated with the user from the input data, or from a memory location associated with the user; and in response to extracting the email address, sending, from the point of sale device and to a server, a request for sending information associated with the sale transaction to the e-mail address. |