Abstract: A computer-implemented method of measuring and updating a software program in a client system, the software program comprising plural functions, the method comprising receiving statistics on the usage of certain functions in the software program in a predetermined time period and generating and issuing an update to the software based on the statistics, characterized by deriving a function mapping table mapping functions of the software program to abbreviations, said mapping being arranged in order of frequency of use of the functions as indicated in previously received statistics, and communicating said table to the client system, where said statistics received from the client system refer to the abbreviations instead of the functions.