9 Electronic devices, namely, encoders installed at the distribution sources of television, radio, cable and satellite broadcasting and retail locations that inserts inaudible signals into the audio stream, electronic devices that detect signals emitted from the encoders, electronic docking stations that extract codes from the devices, devices for communicating the detected information to audience measurement facilities, and computer software and databases, all for the purpose of providing audience estimate and business and market research information and data and media exposure measurement, advertising effectiveness and advertising placement information and data to broadcasters, cablecasters, webcasters, other media, and advertisers and advertising agencies; Downloadable electronic publications in the nature of reports in the fields of audience measurement, media exposure measurement, advertising effectiveness and advertisement placement, market research and business research; Electronic publications, namely, reports featuring information in the fields of audience measurement, media exposure measurement, advertising effectiveness and advertisement placement, market research and business research recorded on computer media