12. A method, implemented in a computer system, of delivering content to an electronic device associated with a portable scanner, comprising: receiving, at a computer system and from a portable scanner, a device identifier scanned using the portable scanner, the device identifier being displayed on an electronic device; receiving, at the computer system and from the portable scanner, additional information scanned using the portable scanner; selecting, by the computer system, based at least in part on the device identifier, the electronic device to send the additional information scanned; identifying a network address of the selected electronic device identified by the device identifier; and communicating the additional information scanned to the network address associated with the selected electronic device.
12. A method, implemented in a computer system, of delivering content to an electronic device associated with a portable scanner, comprising: receiving, at a computer system and from a portable scanner, a device identifier scanned using the portable scanner, the device identifier being displayed on an electronic device; receiving, at the computer system and from the portable scanner, additional information scanned using the portable scanner; selecting, by the computer system, based at least in part on the device identifier, the electronic device to send the additional information scanned; identifying a network address of the selected electronic device identified by the device identifier; and communicating the additional information scanned to the network address associated with the selected electronic device. 16. The method of claim 12 , further comprising: enabling access by the portable scanner to information for which access is controlled by the electronic device.