I have seen many webmasters used to “buy .EDU Links” for Pagerank or SEO ( Search Engine optimizations ) of there site, i just cant get why they buy the EDU Backlinks if they are Freely available !!
Yes EDU Links are Free !
I know many will not believe me , but in few seconds you will get the Free EDU backlink for your site
So Just Follow these Simple steps :
Step 1 : Go to http://h2obeta.law.harvard.edu/
Check out its .EDU Site and of Harvard University
Step 2 : Click on Create a Playlist.
Step 3 : Register for a FREE Account
Step 4 : After registration just Create a Free Playlist , where you have to specify one link , and yes Its Your site link !!
Step 5 : Just put your site link and save,
Step 6 : I think your link is now on EDU SITE , so no further steps 
One more Trick for Free EDU backlinks >> Search Google For “edu” forum,
Register for any Forum , Put your link at SIG ( Signature ) and Get Free EDU backlinks
WARNING : PLEASE DO NOT SPAM AT ABOVE MENTIONED SITES
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Very helpful little tidbit. I’m going to have to try that one right away!