Though the success of one method or another might not seem to make much difference to the person filling out an order form, the fate of open standards in the process could determine whether that form can relay the data it collects to any standards-compliant database or banking system, or whether it can only operate within certain proprietary systems.
The fate of a standard could also determine whether the order form could be accessed in any standards-compliant Web browser, or if it would be available only to users of a particular operating system–an outcome that has browser makers and others worried about the role of Microsoft.