Smart People

Anderson Cooper

A behind the scenes look at “Anderson Cooper 360°” written by Anderson Cooper and the show’s correspondents and producers. Watch AC360° M-F at 10 p.m. ET.

486,397 followers | Follow

Maria Shriver

Official page for the First Lady of California

475,954 followers | Follow

Arianna Huffington

Co-Founder and Editor-in-Chief, The Huffington Post

395,928 followers | Follow

Jeff Keni Pulver

Technology Anthropologist; Entrepreneur; Early-Stage Seed Investor; story teller, Living in Social Media. Producer of #140conf

353,723 followers | Follow

Thomas L. Friedman

NY Times columnist and Pulitzer Prize winning author.

46,221 followers | Follow

Hillary Clinton News

UNOFFICIAL TWITTER - News about the Secretary of State, Former First Lady and Senator

44,303 followers | Follow

craignewmark

customer service rep & founder for craigslist

20,331 followers | Follow

Christine Perkett

CEO @PerkettPR (tech, healthcare, business, consumer), Board: @StyleCoalition @NVNA @BMABoston; Mom; Blogger; Boston Marathon 2010 ♥ Tech|Fashion|Ocean|Red Sox

18,027 followers | Follow

John Moore

CTO, CIO, and SVP of Engineering at Swimfish. My primary interests are Management, BI, Social, CRM, Mobile, SMM, Common Sense Business

11,040 followers | Follow

Evan Slusher

new media strategist for non-profit organizations... and I've had an official twitter training session ;-)....

10,052 followers | Follow

Adam Hirsch

Chief Operations Officer of Mashable.com (@mashable) - Co-Founder of @MySocialDog (.com)

7,520 followers | Follow

Jeffrey Sass

Recovering Twitterholic. Proprietor of www.socialnetworkingrehab.com. Mobile Industry Exec.

4,993 followers | Follow

George Kao

Best Social Media Marketing Tips for Values-Based Business. Authenticity, Sustainability, Right Livelihood, Loves Animals, Green Living, Joyful Personal Growth

3,340 followers | Follow

Dean Meyers

Digital Strategist & Visual Problem-Solver, using graphic design, the web, social media & video to tell your story visually.

1,926 followers | Follow

Scout Labs

Scout Labs: Real-time Social Media Brand Monitoring & Management Solution. Quantitative+Qualitative Analysis = Actionable Signals.

1,903 followers | Follow

Paolo Tosolini

New Media Business Manager at Microsoft focused on Social Media, Enterprise Podcasting and Online Video. Blogger and podcaster about Italy and travel.

1,728 followers | Follow