The
rule of thumb: every dollar invested in ease of use returns $10
to $100." Cost Justifying Ease of Use, IBM Report.
Companies
are often sceptical about the benefits of usability when their
IT budgets are frequently over-stretched. However, it is only
in hindsight that these companies tend to learn painful yet
valuable lessons in the effectiveness of usability. There are
many critical benefits associated with usability, such as: