A comprehensive article on the subject and perfect for a Saturday or you've maybe a bit more time to read ... :) [note mg]
Link building isn't really link building. It's relationship building. Links are just the proof of the relationship, as are the tweets, likes, sales… relationship building is link building. Your social graph is your linkerati.
Tom Critchlow encapsulates this with one of these Distilled Pro Tips:
Here's a few tactics and strategies to build and leverage relationships that lead to links, likes, sales and more. Outreach is for tomorrow. Relationships are for life. Let's go!...
Read more: http://mz.cm/Hx9RWB
Via Martin Gysler