I mentioned it earlier in [
webmasterworld.com ]
Just did a new test, picked 10 quality followers that I would like establishing relationship with, in a few days (6 to 8) got two good one!
It does not come out of the blue, you need to bargain, offering in exchange something that could be useful thus creating a ground for link exchange.
Further a concise personalized email is required, nowadays any canned mail is not even looked at.