Yah its surely not recommended, not to mention there is so many other white hat tactic you can use to benefit your sites seo.
If your looking to build links to your website I would recommend doing Article, Blog, forum posts that all relate to your website. And if you do a search you can also find some manual link building software out there that willl help you in your link building ventures.
Once your website has penalized or banned by Google because of Hidden Text, you can't gain more traffic from Yahoo and MSN unlike in Google.
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