System and method for information delivery including delivery via video-based keyed or tagged content

摘要: An interactive device/system of and method for delivery, receipt and/or decoding response to keyed or tagged video content provided in connection with one more broadcasts (for example, television streaming video). Responsive thereto, the system may deliver receive audio information. Such delivery information be responsive embedded broadcast but not visually observed, that is observed then parsed correlated a predetermined response, user/operator instruction, input request. The receiving device determine video-based an broadcast, wherein, automatically provides interaction options based on by user/viewer transmits "interest-level" data (i.e., which representative viewer's level interest broadcast) obtain additional regarding broadcast. Other inventions are also disclosed.