cited study wants "best before" date for browsers (Score 1)

The cited original study "Understanding the web browser threat" is published at: http://www.techzoom.net/insecurity-iceberg It also proposes to show a warning to the user if the browser in use is an old version and security patches have been missed, much like a "best before" date on perishable food. This would help to easily spot if one is at (unnecessary) risk when surfing the web.