Originally Posted by aprilhomer
is there any disadvantage of social bookmarking?
Yes there can be. For example, if you have a twitter linked to your website and have no or only a few followers in relation to the amount of people that click your link, then the search engines will see that as a negative. So unless you are getting a good following it may be better to have nothing.
Actually, have a read of the following article, look closely at the graph on Facebook shares was the highest correlated single factor among the 100+ factors examined......http://www.seomoz.org/blog/does-goog...earch-rankings