�     Quality

Your customers think that it is important that the Windows application will be easy to use

ErgoLight �identifies design features that are not easy to use and reports on them to the application designers

�     Costs

It is too expensive to fix the application after it is already shipped to your customers

ErgoLight� collects data on usability problem early at the specification, prototyping and Beta testing phases

�     Caution

You cannot always identify why a user fails to use a feature

ErgoLight identifies user failure modes that rarely occur and allows analysis of the failure modes by backtracking�

�     Decision

You do not have an objective measure that supports the preference of a usability solution over the other.

ErgoLight provides objective measures of the usability problems, in term of the total time waste

�     Debate

There is more than a single way to provide a user interface for each of the application features

ErgoLight estimates the benefit of a design feature in terms of time saving and compares this estimate to the total time waste due to unintentional feature activation