Techniques for ranking electronic content items include analyzing annotations made in the content items. Embodiments of such a program may provide price protection related to the purchase of a commodity to the consumer so that when a consumer purchases the commodity, the price the consumer pays for the commodity may be determined under the provided program. Administration of the analogs or derivatives described herein may reduce deposition of inflammatory mediators such as C-reactive protein, complement system proteins or the membrane attack complex in tissues. Each code data portion encodes an identity of the product item and the position of the respective code data portion. Operation of the virtual machine may be resumed on the second site.