01. Mashable!

Founded in July 2005, Mashable is the world’s largest blog focused exclusively on Web 2.0 and Social Media news. With more than 12.5 million monthly pageviews, Mashable is the most prolific blog reviewing new Web sites and services, publishing breaking news on what’s new on the web and offering social media resources and guides. It also got place in Top 25 blog of 2009 by Time.com and rated inside top 5 blog on Twitter and Technorati.

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02. Chris Brogan

Chris Brogan explores the use of social media and social networking tools, as well as helping individuals work smarter. He uses social media and technology to help build digital relationships for businesses, organizations, and individuals. Chris speaks, blogs, writes articles, and makes media of all kinds on his blog. His blog is in the top 10 of the Advertising Age Power150, and in the top 100 on Technorati.

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03. Social Media Explorer

Social Media Explorer is the online home and blog of Social Media Explorer LLC, which is my consulting company. I’ve been called all sorts of things by folks around the social media, public relations, marketing and communications industries.

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04. Dosh Dosh

Dosh Dosh is a blog offering internet marketing and blogging tips, alongside social media strategies. Best consumed by bloggers, entrepreneurs, web publishers, marketers, freelancers and small business owners. Dosh Dosh aims to be the largest online repository of legitimate profit initiatives.

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05. RotorBlog

RotorBlog.com was founded in May 2006 by Maris Dagis in order to provide latest Web 2.0 news and startup reviews, later focusing on social networks and online communications. Reaching 160k readers monthly it has became one of the most popular sources of information for people using Internet to communicate.

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06. Social Media Today

Social Media Today LLC helps global organizations create purpose-built B2B social communities designed to achieve specific, measurable corporate goals by engaging exactly the customers and prospects you most want to reach.

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07. PR 2.0

Brian Solis is Principal of FutureWorks, an award-winning PR and New Media agency in Silicon Valley. Solis is globally recognized for his views and insights on the convergence of PR, Traditional Media and Social Media. Considered one of the original thought leaders who paved the way for Social Media and PR 2.0, Solis is co-founder of the Social Media Club.

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08. The Social Networking Weblog

For all you social networking addicts out there and for those of you who just like to dabble, The Social Networking Weblog is the place to learn about meeting people online, staying safe while you do it and just plain having fun.

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09. 10e20

10e20 is a New York-based Internet marketing company specializing in Social Media Marketing and Search Engine Optimization. Founded in 2002 in Brooklyn, NY by Chris Winfield and Danielle Lanzillo.

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10. Instigator Blog

The Instigator Blog is all about instigating discussion, ideas and better business. Focused on social media, entrepreneurship, small business, marketing and technology, with a heavy dose of humor, Instigator offers startup insight to entrepreneurs.

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11. Conversation Agent

Valeria Maltoni is a professional marketer with 20 years of real-world corporate experience, 10 of which online, across a broad array of mid-to-large sized companies. Hands-on work at a Fortune 500 technology company, a technology start-up, in health care, chemical manufacturing, risk management consulting, and the non-profit sector have provided her with a wealth of experience and insights.

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12. Social Media

J.D. Lasica presents this news site and podcast about social media, Web 2.0, democratic media and the revolution in user-created content. It help busi­nesses and orga­ni­za­tions achieve max­i­mum impact with their social media strat­egy or campaigns. Also high­light news, trends, tools and resources around social media, social net­works and Web 2.0.

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13. Scott Monty

Scott is a marketing and communications professional focused on the digital industry — specifically on social media. His career spans a number of industries such as healthcare, pharma, biotech, travel, automotive, tech, and communications, and includes a wide range of clients, from start-ups to Fortune 500 companies.

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14. Collective Thoughts

They like to call it ‘new wisdom of crowds’. Each member of Collective Thoughts is here because not only are they a known or rising star in their own field, but they also have a passion and unique understanding on social media. Together, we make up Collective Thoughts.

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15. Altitude Branding

Amber Naslund blogs at Altitude Branding, focusing on elevating brands through social media and communication. Amber is a social media and marketing crackerjack and the Director of Community for Radian6, where she’s responsible for client engagement, community building, and helping companies tap the potential of online reputation management, customer engagement, and social media monitoring.

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16. Chris G

Chrisg.com is where Chris posts daily (or thereabouts) thoughts and advice on the business of new media, blogging and online marketing. The aim is to teach you ways you can create compelling resources, provide your audience more value, build trust and loyalty, and generate more rewards for yourself.

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17. Twitip

TwiTip is a blog mainly about Twitter. TwiTip is about capturing some of the lessons that Darren Rowse and others have been learning about Twitter and how to use it more effectively. It will cover Twitter Tips of all varieties including Writing for Twitter, Branding, Growing a Following, Corporate Tweeting and a lot more.

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18. ViperChill

ViperChill is a blog started by Glen Allsopp in 2006 at the age of only 16. Up until recently, the blog was simply a resource that built the awareness of the ViperChill brand. Now, after working as a Social Media Manager for some of the biggest companies in the world, Allsopp uses his blog to share his personal experiences that have helped build some of the most competitive search rankings in the world and make his clients millions from their online campaigns.

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19. Social Media Club

Social Media Club is being organized for the purpose of sharing best practices, establishing ethics and standards, and promoting media literacy around the emerging area of Social Media. This is the beginning of a global conversation about building an organization and a community. It was founded by Chris Heuer and It is the beginning of a global conversation about building an organization and a community where the many diverse groups of people who care about social media can come together to discover, connect, share, and learn.

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20. Pronet Advertising

Neil Patel’s blog boasts informative, fun-to-read posts about the various marketing strategies that can be implemented through social media, blogging, and search engine optimization. You can also find many contribution of other experts like Cameron Olthuis and Muhammad Saleem.

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21. Techipedia

Tamar Weinberg is a freelance writer and author of The New Community Rules: Marketing on the Social Web (O’Reilly, July 2009) who specializes in social media consulting and strategy, blogger outreach, reputation management, and search engine marketing (SEO, link building, and Pay Per Click Marketing).

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22. Dan Zarrella

Dan Zarrella is an award-winning social, search, and viral mar­ket­ing sci­en­tist and author of the upcom­ing O’Reilly media book “The Social Media Mar­ket­ing Book”. He has a back­ground in web devel­op­ment and com­bines his pro­gram­ming capa­bil­i­ties with a pas­sion for social mar­ket­ing to cre­ate appli­ca­tions.

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23. Six Pixels of Separation

When Google wanted to explain online marketing to the top retailers in the United States, they brought Mitch Joel to the Googleplex in Mountain View, California. Marketing Magazine dubbed him the, “Rock Star of Digital Marketing” and in 2006 he was named one of the most influential authorities on Blog Marketing in the world. Joel’s blog doles out marketing, advertising and communications insights with a focus on digital marketing, brand democratization, social media and everything next.

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24. Web-Strategist

As a Web Strategist I strive to define and deliver user and community needs, business goals, and web technology to craft and deliver long term successful web programs for companies.

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25. Very Official Blog

Shannon Paul works as the communications manager for PEAK6 Online, parent company of OptionsHouse.com, OptionsNewsNetwork (ONN.tv), and WeSeed.com. Here she oversees the integration of social media communication into PR and marketing strategies for the company’s three brands, including an online retail stock and options broker, a web-based options news and education site, and an online community that allows people to learn about the stock market through investing in virtual stock portfolios.

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26. Groundswell

In Groundswell, two of Forrester Research’s top analysts show you how to turn the force of customers connecting online to your own advantage. Charlene Li and Josh Bernoff show how leading companies are gaining insights, generating revenues, saving money, and energizing their own customers. Hoping to learn how to take advantage of communities, blogs, wikis, Facebook, or YouTube? They’ve got lots of examples with proof they work.

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27. Online Marketing Blog

Online Marketing Blog provides daily insights, resources and commentary on a range of internet marketing strategies and tactics including: Search engine optimization, Marketing and branding with social media, Blog marketing, Online public relations.

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28. Social Times

Social Times is founded by Nick O’ Neill. He is an industry expert on the social networking industry, providing no holds bar commentary and insightful analysis on social networking and social media. He speaks at conferences nationwide and has been written about in multiple national publications.

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29. Influential Marketing Blog

Not purely Social Media Optimization (SMO), but Rohit is the person who first invented the concept of Social Media Optimization on his blog, and is widely recognized across the marketing industry (and on Wikipedia) for this. This blog serves as Rohit’s reflections on creating compelling marketing, advertising and public relations online.

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30. Danny Brown

Danny Brown has been providing business branding and emerging media consultancy services to the consumer and commercial markets for more than 15 years, from small start-ups to Fortune 500 businesses. Danny is the founder of the 12for12k Challenge.

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