Services provided by experts in connection with theoretical and practical aspects of complex areas of activities, all of them concerning the development, regulation and distribution of standards for the exchange of commercial data on third party goods and services; development, regulation and distribution of standards for the exchange of commercial data on third party goods and services, including from one computer to another; technical consulting of data by experts in connection with theoretical and practical aspects of complex fields of activity, all concerned with the application of standards, in particular the exchange of commercial data on third party goods and services