9 Computer software for use in the transportation and delivery field, namely for provision of current shipping status, package details, shipping service options and costs, package arrival dates and delivery notification; for providing automated download of files relating to tracking information on shipped packages, including current shipping status, package details, package arrival dates and delivery notification; for validation of street addresses; preparing and printing of shipping labels, documents and invoices; for providing electronic shipping labels, shipping documents and invoices; for providing information on available transportation and delivery services; for providing proof of delivery documentation, including digitized signature of the recipient of the package; and for the receipt, transmission and processing of customer identifying shipping account information