Money Site << Web 2.0 << Social bookmarks that is the perfect solution to beat penguin as well as panda and never forget keywords variations.
How many keywords should be used in anchor text in one web 2.0? or how many back links to the website from a web 2.0
We need to used unique article each time for web 2.0 or used the same web 2.0 for 10-15
Or we can use the spin version of article