Abstract: A computer program product comprises computer usable program code for receiving data describing a proposed electronic transaction between first and second communications devices. Additional computer usable program code is provided for generating a first audio signal by sound detected by a first microphone of the first communications device, and for generating a second audio signal by sound detected by a second microphone that is part of the second communications device. Still further computer usable program code provides for authenticating that the first communications device and the second communications device are in the same proximity in response to determining that the first and second audio signals were produced by the same sound event, and for completing the proposed electronic transaction between the first and second communications device in response to authenticating that the first and second communications devices are in close proximity.

Abstract: A computer program product including computer readable program code embodied on a computer readable storage medium, includes computer readable program code for receiving an original message from a sender, wherein the original message includes multiple portions of content and designates one or more recipients for each of the portions of content, wherein at least one of the portions of content is designated for multiple recipients. The computer program product further comprises computer readable program code for automatically, in response to receiving the original message from the sender, preparing a separate message designated for each recipient, wherein the separate message designated for a particular one of the recipients includes only those portions of content from the original message that are designated for the particular recipient. The computer program product still further comprises computer readable program code for forwarding each of the separate messages to the designated recipient.

Abstract: A method comprising receiving an original message from a sender, wherein the original message includes multiple portions of content and designates one or more recipients for each of the portions of content, wherein at least one of the portions of content is designated for multiple recipients. The method further comprises automatically, in response to receiving the original message from the sender, preparing a separate message designated for each recipient, wherein the separate message designated for a particular one of the recipients includes only those portions of content from the original message that are designated for the particular recipient. The method still further comprises forwarding each of the separate messages to the designated recipient.

Abstract: A computer program product comprises computer usable program code for receiving data describing a proposed electronic transaction between first and second communications devices. Additional computer usable program code is provided for generating a first audio signal by sound detected by a first microphone of the first communications device, and for generating a second audio signal by sound detected by a second microphone that is part of the second communications device. Still further computer usable program code provides for authenticating that the first communications device and the second communications device are in the same proximity in response to determining that the first and second audio signals were produced by the same sound event, and for completing the proposed electronic transaction between the first and second communications device in response to authenticating that the first and second communications devices are in close proximity.