TNX - pronounced 'thanx', as in sms texting language is an up and coming Text-Link Exchange marketplace. The premise behind TNX is that by increasing the amount of 'quality' links coming into your website, you will also increase your search engine rankings, and thus get more traffic. It's a good practice when using services like these not to disclose the fact that you are using them as google frowns at the practice. As a rebellious blogger though and not a fan of being told what I can / ca...