Which tactics do the “experts&# believe will work best in 2011? What types of linkbait are  most effective at attracting natural links? 18 Examples of Awesome Viral Linkbait by Acquisition Engine. Sean McColgan showcases examples of exceptionally creative and successful linkbait videos, infographics and widgets. Digg this! Best practices in SEO continue to evolve, particularly in the area of link building. Where can you find non-obvious link sources to pursue? How much is a link worth? How can you optimize the internal link structure of a website?