Providing on-line non-downloadable software for the purpose of file back up and synchronization

Downloadable computer programs for operating business to customer business via the Internet for retrieving, modifying and processing customer information and sales information via the Internet; Downloadable computer programs for operating business to customer business via the Internet for retrieving, modifying and processing customer information and sales information via a mobile device, namely, mobile telephones, personal digital assistants ("PDAS") and mobile handsets