A drug like Viagra is among the most sought after product on the net. To stay ahead in the competition which involves many online Viagra vendors, different tools like keywords optimization, back links etc happen to be incorporated.
Just look for yourself and you will be amazed at the harm that has been already done, using the tool for wrong ends. Go through 'Viagra' or 'buy Viagra' search in Google and you will discover that over fifty percent of the websites that come in the first page have Buy Viagra, Find bargain Viagra, Discounted Viagra, Viagra Online, Best Price, Best Place to purchase Viagra etc. written all over the page, and yes, they do not forget to provide a link towards the pharmacies where one can purchase only the best and cheap Viagra.