There are tons of problems just procrastinating the corner to create your rug filthy and unhygienic, from dust, mud, stains, and such like.
However, shampooing is a somewhat common but popular way to deep cleaning a carpeting. http://thoughtworksfederal.net/__media__/js/netsoltrademark.php?d=Manchestersports.com%2F__media__%2Fjs%2Fnetsoltrademark.php%3Fd%3DTelearchaeology.org%252FTAWiki%252Findex.php%252FUser%253AKevinFoy32424