This is a useful site for non-geek people who haven't got a clue about a web browser and who think Google or Yahoo is their web browser. This site clears out lot of misunderstanding regarding web browsers for non technical people.
Also whatbrowser.org site helps people who are working as IT support & web developers who sometime struggle to find out, the customers web browser & it's version in order to identify an web site issue.(Specially when it comes to IE web browser & it's version.). So rather than asking lot of questions from customer to find out which browser version they use, asking them to visit the whatbrowser.org site will give the answer quickly without any hassle.
Visit : whatbrowser.org