Whether you’re anxious to get started marketing on Facebook, already there but looking for better results, or not sure if Facebook is right for your company (despite the eye-popping audience numbers), you’ll find guidance here in some of the best posts on Facebook marketing so far in 2010: tips, tactics and best practices for building Facebook pages, growing your fan (or “like&# ) base, advertising, optimizing for search, using Facebook apps and tools, and more, from experts like Mari Smith, Lisa Barone, Ching Ya, John Haydon, Brian Carter, Marty Weintraub and Shel Holtz.

As noted in 33 (of the) Best Social Media Guides, Tips and Resources of 2012 So Far , posted here a few months ago, social media marketing adoption is now so widespread there’s little further question of “if” or “when” in the minds of most marketers–but many “how” and “what” questions still remain. Research] by Heidi Cohen.