A drug like Viagra is one of the most sought after product on the net. To stay ahead within 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'll be surprised at the damage that's been already done, using the tool for wrong ends. Go through 'Viagra' or 'buy Viagra' search in Google and you will find that over fifty percent from the sites that are available in page one have Buy Viagra, Find bargain Viagra, Discounted Viagra, Viagra Online, Best Price, Best spot to purchase Viagra etc. written all over the page, and yes, they don't forget to give a link towards the pharmacies where you can buy only the very best and economical Viagra.