42 (Based on Intent to Use) Developing, providing, leasing, maintaining and updating computer programs for providing, displaying, authenticating, storing, transmitting, securing and/or managing digital electronic signatures on computers, wireless and cellular telephones, scanners, pagers, fax machines, personal communications equipment and personal digital assistants (PDAs), calculators, and related peripherals all services provided for others; provision and leasing of access time to the above-mentioned software