US Patent 7333594 Message-based expense application

A method for managing an expense report for an expense report application is provided. The expense report application is configured to update entries in an expense report based on messages received from one or more messaging channels. The method includes receiving a message sent through a messaging channel in the one or more messaging channels. The message includes expense information. An expense report is determined from the expense information. Entry information is then determined from the expense information. The expense report is then updated with the entry information.