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Hey SEOmoz members, I've been out of the SEO game for quite a while now... grew up years ago getting by with directory blasts, article marketing, social bookmarking, etc... I'm currently in the process of starting a few new campaigns. After burning the midnight oil on this site soaking up all the information I can, I realize the game has changed. It's not as simple as it used to be. So for these new campaigns, killer content, social integration, and guest blogging are going to be my main long term strategies. If I'm not mistaken, relevancy should be a key part of the link building strategy. So I guess my question is... article marketing, social bookmarking, web 2.0 creation... can these still be a viable source for high quality links? I do realize that without great content these are all dead ends. But when used correctly and in moderation, can these strategies still produce results? And if so... what are some good resources for finding high quality sites that will positively impact my campaigns? Are there any good article directories out there, or have they all been devalued? Do linkwheels still carry any weight?