1. A method for initiating actions in response to RFID tags, comprising: (a) providing a parameter to a RFID reader from a database; (b) reading a RFID tag with the RFID reader; (c) determining whether the RFID tag corresponds to an item of interest, based at least in part on comparing the parameter to the reading and the time of the reading; (d) reporting to the database said item of interest in accordance with the determining in step (c); and (e) initiating an action, based at least in part on said item of interest.