Prerecorded magnetic data carriers featuring software to facilitate the issuing and payment of bills and invoices; application software for invoicing and payment of bills; financial software for invoicing and payment of bills; billing software, namely, software for invoicing and payment of bills; mobile billing software, namely, software for invoicing and payment of bills; software for short message service (SMS) billing, namely, software for invoicing and payment of bills; software for non-s...