1. An portable hand-held device comprising: a sensor configured to acquire a digital representation of on-screen content; and a computing platform coupled with the sensor and configured to: obtain the digital representation from the sensor; use features from the digital representation to enable recognition of the on-screen content as a known target; identify target information, including an address, relating to the known target; and enable a device to register a vote, via the address, relating to the on-screen content.