Usability: advertising investment protection

Usability, as an approach based on taking into account the interests of users, allows you to fully realize the reserves of the site, and improve business efficiency several times, without attracting additional traffic. And if the profit from attracting new visitors is fraught with hidden costs to increase the load stability of the site, then an increase in user experience (net satisfaction) brings a net profit, since the load on the servers does not increase.

Read more: usabilitylab.ru/Articles.aspx?EntryID=15
Watch the video: video.google.com/videoplay?docid=1381069794744431152&hl=en