Original: Mike Linksvayer, Google Code adds content licensing; Google Knol launches with CC BY default, Creative Commons Blog, July 23, 2008 Knol employs "nofollow" outgoing links, using an HTML directive to prevent links in its articles from influencing search engine rankings.
Simplified: Mike Linksvayer, Google Code adds content licensing; Google Knol launches with CC BY default, Creative Commons Blog, 23 July 2008 Knol has "nofollow" outgoing links, using an HTML directive.