1) Search Engine Land
URL: http://searchengineland.com/
Editor: Danny Sullivan

Search Engine Land brings you the latest information about all things search marketing. From SEM to optimization to how search engines work, Danny Sullivan and his team have it covered.

2) Search Engine Roundtable
URL: http://www.seroundtable.com/
Editor: Barry Schwartz

A rotating roster of authors takes you through some of the most interesting and talked about threads in Search Engine Marketing forums. They scan the forums on a daily basis to bring out some of the most anticipated trends and topics dealing with search marketing.

3) SEOmoz Blog
URL: http://www.seomoz.org/blog
Editor: Rand Fishkin

Based out of Seattle , WA , SEOmoz staff brings you news, tips, and highlights from the Search Marketing industry. They cover everything from the players you need to know to technical issues to the events you should be at.

4) TopRank Online Marketing Blog
URL: http://www.toprankblog.com/
Editor: Lee Odden

Lee Odden is the CEO of TopRank Online Marketing, a search marketing agency whose blog offers news, resources, and interviews on search marketing and online public relations.

5) JenSense
URL: http://www.jensense.com/
Editor: Jennifer Slegg

SEM consultant Jennifer Slegg gives you insider information for Google AdWords, AdSense and Yahoo Publisher Network. Her blog is also filled with interviews and case studies relating to SEM.

6) Pronet Advertising
URL: http://www.pronetadvertising.com/
Editor: Neil Patel

A Californian of British origin, Neil Patel blogs about his personal experience with online marketing. He'll even give you the inside scoop on the likes of Facebook and Youtube.

7) Copyblogger
URL: http://www.copyblogger.com/
Editor: Brian Clark

It's often overlooked, but Clark knows that effective copywriting skills can make the difference between an online marketing campaign that bombs or soars. He's here to help you out.

8) Internet Marketing News
URL: http://www.marketingpilgrim.com/
Editor: Andy Beal

From breaking industry news stories to in-depth analyses of online marketing trends, Andy Beal has been blogging as the Marketing Pilgrim since 2005.

9) MarketingVOX
URL: http://www.marketingvox.com/
Editor: Angela Natividad

Geared towards marketers and media professionals, MarketingVox highlights the latest industry trends and news. They go beyond segmentation and markets to look at the big picture of things.

10) B.L. Ochman's Weblog
URL: http://www.whatsnextblog.com/
Editor: B.L. Ochman

Blogger and social media consultant to Fortune 500 companies, B.L. Ochman is the woman behind the whatsnextblog, a blog that looks at online marketing strategy and social media trends.

11) ProBlogger
URL: http://www.problogger.net/
Editor: Darren Rowse

Once a hobby blogger, Rowse now offers a comprehensive site aimed at helping others learn how to make money online. His blog covers everything from affiliate marketing to other potential income generating streams.

12) Niche Marketing – Andy Beard
URL: http://andybeard.eu/
Editor: Andy Beard

Andy Beard blogs on everything from Wordpress to niche marketing to affiliate marketing tips, and never without “loads of attitude.”

13) Affiliate Watcher
URL: http://www.affiliatewatcher.com/
Editor: Don Lawson

For affiliate programs, affiliate program reviews, and everything affiliate marketing, Don Lawson's blog Affiliate Watcher is the place to go.

14) eMoms at Home
URL: http://emomsathome.com/
Editor: Wendy Piersall

After leaving her job, the original eMom at Home decided to start this blog to help others in their quest to master affiliate marketing. Now, Piersall is dedicated to helping others earn an income from home.

15) Marketing Ideas Online – Jim Kukral
URL: http://www.jimkukral.com/
Editor: Jim Kukral

If you want to know how to make money online, then Jim Kukral's blog should be one of your stops. He covers not only affiliate programs, but also events and strategy, and laces his site with handy videos.

16) Duct Tape Marketing Blog
URL: http://www.ducttapemarketing.com/blog/
Editor: John Jantsch

The award-winning John Jantsch offers his astoundingly practical advice, tips and tricks for small business marketing.

17) Seth Godin's Blog
URL: http://sethgodin.typepad.com/
Editor: Seth Godin

One of the most famous names in the industry, Seth Godin's blog has long been a favourite for all things small business marketing. As the author of the most popular ebook ever, his blog never fails to give you advice you need.

18) Instigator Blog
URL: http://www.instigatorblog.com/
Editor: Benjamin Yoskovitz

An entrepreneur for over ten years, Benjamin Yoskovitz uses his special brand of humour to discuss issues relating to better business, marketing and technology.

19) StartupNation Blog
URL: http://www.startupnation.com/blog/
Editor: Rich and Jeff Sloan

Brothers Rich and Jeff Sloan have dedicated their site to providing everything entrepreneurs need to know to achieve success, including some great stuff on marketing.

20) Ypulse
URL: http://www.ypulse.com/
Editor: Anastasia Goodstein

Journalist Anastasia Goodstein provides insights into everything to do with Generation Y, helping media and marketing professionals break into the market.

21) AdRants
URL: http://www.adrants.com/
Editor: Steve Hall

With the wit that he has become known and loved for, Steve Hall takes you through the marketing and advertising industry and all its trends, shifts, and strategies.

22) Adland
URL: http://commercial-archive.com/
Editor: Dabitch

This site goes beyond being a valuable forum for discussion on advertising. It also serves as a commercial archive. So, if there's an ad you missed and want to see, this is the place to be.

23) gapingvoid
URL: http://www.gapingvoid.com/
Editor: Hugh MacLeod

Hugh MacLeod doesn't just draw “cartoons on the back of business cards.” He also writes about marketing and advertising, drawing from his experience in the wine trade.

24) advertising/design goodness
URL: http://www.frederiksamuel.com/blog/
Editor: Frederik Samuel

A daily updated blog about some of the world's best – and worst – ad designs.

25) PSFK
URL: http://www.psfk.com/
Editor: Guy Brighton

Guy Brighton examines some of the global trends occurring in every major industry, helping businesses better build and rebuild their brands.

26) The WebMarketCentral Blog
URL: http://webmarketcentral.blogspot.com/
Editor: Tom Pick

A B2B marketer since 1992, Tom Pick maintains your portal to everything you need to know about B2B lead generation and marketing.

27) Marketing Profs
URL: http://www.marketingprofs.com/
Editor: Allen Weiss

What started as a simple blog by marketing professor Allen Weiss in 2000 has today turned into a fully-staffed venture that provides marketing know-how and offers valuable B2B articles and event information.

28) Marcom Writer Blog
URL: http://marcom-writer-blog.com/
Editor: Dianna Huff

A B2B marcom expert, Dianna Huff delivers news and her own personal commentary on all things dealing with B2B marketing communications.

29) Small Business B2B Marketing
URL: http://www.smallbusinessb2b.com/
Editor: Scott Thompson

Since 2006, Scott Thompson has been providing marketing trends for small B2B companies, covering everything from email and Internet marketing to trade shows and events.

30) Marketing Today Blog
URL: http://marketingtoday.blogspot.com/
Editor: Peter DeLegge

Recommended by Business 2.0 magazine, Peter DeLegge's blog takes a look at some of the most current issues and marketing trends facing B2B companies.

31) Micro Persuasion
URL: http://www.micropersuasion.com/
Editor: Steve Rubel

This senior VP at one of the world's largest independent PR firms takes you through technology's transformative effect on marketing and PR.

32) The Marketing Technology Blog
URL: http://www.douglaskarr.com/
Editor: Douglas Karr

Karr covers everything from api usage to code samples to market research in his blog, all in his efforts to “keep you up to date and build your knowledge.”

33) Buzz Marketing for Technology
URL: http://buzzmarketingfortech.blogspot.com/
Editor: Paul Dunay

From the man who currently serves as the Director of Global Field & Interactive Marketing for BearingPoint comes this blog all about marketing and creating buzz for technology.

34) Advertising Lab
URL: http://adverlab.blogspot.com/
Editor: Ilya Vedrashko

In his blog, MIT grad Ilya Vedrashko looks at the future of marketing and advertising technologies and where they are headed.

35) Technology Evangelist

URL: http://www.technologyevangelist.com/
Editor: Robert Cringley

With its motto of “Better Living Through Technology,” Technology Evangelist sets out to cover the latest trends when it comes to hardware, software, and marketing.

36) Guerrilla Marketing Tactics
URL: http://www.gmarketing.com/articles/
Editor: Jay Conrad Levinson

Although not officially a blog, the father of guerrilla marketing Jay Conrad Levinson posts regular articles on anything and everything guerrilla marketing.

37) Guerrilla Consulting
URL: http://guerrillaconsulting.typepad.com/
Editor: Michael McLaughlin

The co-author of “Guerrilla Marketing for Consultants” with Jay Conrad Levinson, Michael McLaughlin offers his insight into guerrilla tactics for consultants.

38) Guerrilla Communication
URL: http://blog.guerrillacomm.com/
Editor: Herbert Krabel

Herbert Krabel takes you through some of the most unique and successful guerrilla marketing campaigns out there.

39) AdverBox
URL: http://www.adverbox.com/
Editor: Neuville

This daily updated blog presents examples of guerrilla marketing campaigns from around the world.

40) Guerrilla Marketing Blog
URL: http://gmarketingcoach.com/
Editor: Mitch Meyerson

The author of six books and a recent guest on the Oprah Winfrey Show, Mitch Meyerson knows his guerrilla marketing. His blog offers tips and real-life examples on how to create a successful campaign of your own.

41) Brand Autopsy
URL: http://brandautopsy.typepad.com/
Editor: John Moore

How do you conduct a marketing physical for your brand? Check out John Moore's blog to find out.

42) Logic + Emotion
URL: http://darmano.typepad.com/
Editor: David Armano

David Armano's self-professed “sweet-spot” lies in trying to find the intersection between marketing, brand engagement and experience design. In his blog he looks at how passive consumers can become active participants.

43) Branding Strategy Insider
URL: http://www.brandingstrategyinsider.com/
Editor: Derrick Daye

Covering everything from brand promises and identity to brand leadership and colours, Tom Asacker has created a blog that tries to help businesses create stronger and more trustworthy brands.

44) Branding & Marketing
URL: http://brandandmarket.blogspot.com/
Editor: Chris Brown

From logos to websites to press release, Chris Brown blogs about strategies to build your brand.

45) The Viral Garden
URL: http://moblogsmoproblems.blogspot.com/
Editor: Mack Collier

“Blurring the line between company and customer,” Mack Collier's blog offers valuable advice for those looking to build a strong brand presence with their customers.

46) How to Change the World
URL: http://blog.guykawasaki.com/
Editor: Guy Kawasaki

Writing “A practical blog for impractical people,” Guy Kawasaki remains one of the most popular business bloggers out there. A venture capitalist, Kawasaki 's blog remains a must-read for entrepreneurs.

47) Marketing Sherpa
URL: http://www.marketingsherpa.com/sherpablog.html
Editor: Anne Holland

Using case studies, surveys, and other techniques, Marketing Sherpa researches what works – and what doesn't – in all things marketing.

48) Drew's Marketing Minute
URL: http://www.drewsmarketingminute.com/
Editor: Drew McLellan

The name says it all. With brief and to the point posts, Drew McLellan offers his marketing tips to help your business generate customer loyalty and sales.

49) Marketing Roadmaps
URL: http://getgood.typepad.com/
Editor: Susan Getgood

Susan Getgood takes a broad look at the industry in general, where it's been and where it's going.

50) FutureLab
URL: http://blog.futurelab.net/
Editor: Alain Thys

A team of authors comes together to bring you customer centric advice relating to marketing, strategy, and innovation.