I cannot post links right now but here it is: http://ift.tt/1eX0TmI (it's not my website and I'm not promoting it).
I think they create backlinks with statistical websites.
Anyway, you can try it and also you can sell this on sites like Fiverr or so.
Enjoy!

from Search Engine Optimization http://ift.tt/1GlY7of
via IFTTT
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