Signature links seems to have amassed tremendous popularity. They are considered to be an effective way to promote sites. They attract traffic to your site and improve your search engine ranking. Many people seem to be keen on buying signature links. I guess using these links is crucial to producing more backlinks to your site. The more your site links on the web, the more attractive it will be to search engines. I need to know about the changes in 2010. Are these signature links still considered to be important? Are they effective SEO tools? Someone shed light on this!