The present invention provides a method and apparatus for re-sequencing data packets received from multiple devices in a packet-based digital communication system. The magnetic sensor includes a second layer that is a non-magnetic metal layer, the second layer having a second edge corresponding to the first edge. The play site game activity, performed to participate in the game, may be viewing information at the play site, or pseudo-buying an item at the play site. The pocket structure has side edges attached to a bottom edge and a top edge. If this occurs, adapter B is marked as being in the same network PNET1 as adapter A.