Page is a not externally linkable
-- Google SEO News and Discussion
---- Links in directories
Swaraj - 10:07 am on Dec 21, 2011 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4398672.htm
I fully agree with you, there is no clue to identify whether a link is paid or free and logically Google can not oppose paid links.
Brought to you by WebmasterWorld: http://www.webmasterworld.com