Great list of top blogs about marketing from MarketingSherpa. It seems that these days, it's becoming fairly ubiquitous.
Best Podcast on the topic of Marketing: Across the Sound
by Joseph Jaffe
Best B-to-B Marketing Blog: B2B Lead Generation Blog
by Brian Carroll
Best Blog on Email Marketing: Chris Baggott’s Email Marketing Best Practices
by Chris Baggott
Best Blog on Search Marketing: Search Engine Roundtable
Bloggers include: Barry Schwartz, Benjamin Pfeiffer, Chris Boggs, Kim Krause, Shawn Hogan, Ignacio Hernandez, Morgan Carey & Dan Thies
Best Blog on Advertising: Adrants
by Steve Hall
Best Blog on Marketing to a Specific Consumer Demographic: Andy Wibbels, the Original Blogging Evangelist
by Andy Wibbels
Best blog on Affiliate Marketing: ReveNews
Best Blog on the Topic of PR: Active Voice
by Matt "PodBoy"
Best Blog on Small Business Marketing: Duct Tape Marketing
by John Jantsch
Best Blog on General Marketing Topics: Seth Godin’s Blog
by Seth Godin
I would also add one more:
Best Blog on Social Media: Micropersuasion
by Steve Rubel
Any others? Would you recommend any of these for the blogroll to the right? Commenting is turned on.