11. The system of claim 10 wherein said database stores, in association with said first consumer CID, transaction data in a seventh transaction class field indicating items transacted by said first consumer in a seventh transaction class during said first prior time period.
11. The system of claim 10 wherein said database stores, in association with said first consumer CID, transaction data in a seventh transaction class field indicating items transacted by said first consumer in a seventh transaction class during said first prior time period. 12. The system of claim 11 wherein said database stores, in association with said first consumer CID, transaction data in an eighth transaction class field indicating items transacted by said first consumer in an eighth transaction class during said first prior time period.