- Did your site get banned from Google because of viral widgets?
- Has Technorati banned your blog because of WordPress theme spam in their index
- Do the links in your viral ebooks now point to an affiliate program or landing page that no longer exists?
- Did you recommend a web host that is no longer a good choice?
I would even extend that to buying any form of paid link or sponsored review, and possibly also links from directories, social networks, blog commenting etc.
Last June I provided a very simple guide to avoid being banned from Technorati but the same principle applies to

