| 摘要 |
Interacting with broadcast content (2400). A mass media broadcast network communicates broadcast content to multiple recipients (2405). Broadcast receivers present the broadcast content to the recipients (2415). Client computers transmit a query about a selected portion of the broadcast content (2420). Interactive remote controls each operated by a respective recipient transmit a channel control signal to tune a broadcast receiver to a station channel upon which the broadcast content is presented. The controls also receive the query, present the query to a recipient, accept input of a response to the query, and transmit the response to the client computer (2425). Each correct response verifies exposure of the responding recipient to the selected content portion.
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