An improved ion source and means for collecting and focusing dispersed gas-phase ions from a remote reagent chemical ionization source at atmospheric or intermediate pressure is described. A backing store is created in memory for storing rendered document content. It also comprises a unit for allocating a set of error correcting codes to each of these segments, these sets of codes having decreasing sizes between any two of the consecutive resynchronization indicators. , through a computer network or the Internet, to enable data transfers and to transact licenses to utilize the media.