Fast Company editors put their heads together and compiled some of our favorite feeds. Here’s who to follow in 2013 if you want to:

• Change The World

If you’re looking for a place to get involved, New York Times journalist Nicholas Kristof has plenty of ideas for you. Engaging his audience with empathy, the globe-trotting advocate for justice compels readers to get involved with dire—and worthy—causes.

• Laugh With The CEO/Standup/Sage

Jittery genius Box CEO Aaron Levie’s Twitter feed is one of the most entertaining things to read on the Internet. “Every time someone says your idea won’t work, just remember they also said that to the guy who came up with the typewriter,” he tweeted earlier this month. Take that, haters!

• Read Fiction In 140 Characters

The fictional Fathom Butterfly, created by author Josh Gosfield, is a notorious beauty queen, showgirl, porn star, felon, and feminist filmmaker who is constantly proving that Twitter is an excellent storytelling medium.

• Be Better At Being Happy

Gretchen Rubin, author of the The Happiness Project, puts out a steady drumbeat of optimism and useful tips for becoming a happier version of yourself.

• Work And Play Smarter

The key to satisfaction in your career and in your life is learning how to spend—your money, your time, your energy—most effectively. Work-life balance guru Laura Vanderkam helps you figure that out.

• Find Inspiration

Filmmaker and Webby Awards founder Tiffany Shlain is quirky, inspirational, and full of interesting facts.

• Get Globally Informed

Pierre Omidyar of Omidyar Network, a philanthropic investment firm, retweets links on what he calls the “peer news/civil beat.”

• Keep Up With Syria

Former Middle East reporter Lara Setrakian is a go-to source for information coming out of Syria. She’s also disrupting the news industry with her startup, Syria Deeply.

• Imagine Innovation

Thrive Labs’ self-proclaimed “visioner” Priya Parker’s Twitter feed is a stream of deep innovation inspiration.

• Discover An Alternative Front Page

Responsible in large part for the Second Coming of Digg, the social bookmarking site’s 27-year-old editorial director David Weiner’s Twitter account is a one-man news feed chronicling the day’s big events, punctuated regularly with his comedic one-liners.

• Get a Crash Course In Media

If you want to be close to the media, you need to understand the media. CNN producer Jason Samuels’ Twitter feed is like a daily crash course on the state of the industry.

• Geek Out

The Wall Street Journal programmer Jeremy Singer-Vine’s Twitter feed is littered with links to geeky ephemera.

• Fine-Tine Your Pitch

Startup advisor, entrepreneur, tech journalist, and founder of PitchTo Wayne Sutton aims to “help investors make smarter decisions and entrepreneurs make exceptional pitches.”

• Uncover News For Deep Thinkers

New Yorker staff writer David Grann offers thoughtful curation and commentary on domestic news.

• Be In On The Joke

Weeds actor Romany Malco poses thoughtful questions and compelling insights. Sometimes wickedly funny, he reserves most of his humor for @tijuanajackson.

• Wrap Your Mind Around Something Different

Penguin publicity manager and Publishing Genius author Melissa Broder’s alter ego lives on Twitter, where each beautiful, neurotic, self-effacing line accumulates in a never-ending poem. Go here when you need to shake your brain up.

• 20 Stunning Social Media Statistics Plus Infographic
• The 10 Best Facebook Campaigns
• 50 Fascinating Facebook Facts And Figures
• 35 Mind Numbing YouTube Facts, Figures and Statistics - Infographic
• 48 Significant Social Media Facts, Figures and Statistics Plus 7 Infographics
• 20 Awesome Facebook Cover Photos
• 10 Must Have WordPress Plugins Of 2012 Every Blogger Should Know About
• 20 Ways to Increase Your Facebook Likes and Engagement
• 30 Things You Should Not Share On Social Media
• The World’s 20 Most Popular Facebook Pages
• 72 Fascinating Social Media Marketing Facts and Statistics for 2012
• Who is Using Twitter?
• 10 Powerful Tips to Increase Fan Engagement on Facebook
• 50 Amazing Facts and Figures About Google
• 6 Social Media Networks to Watch in 2012 [Plus Infographics]
• Social Media Marketing - 10 Inspiring Infographics
• 30 Terrific Twitter Facts And Figures
• 12 Major Business Benefits Of The Social Media Revolution
• How To Increase Your Facebook Page Fans By 1,000%
• The 10 Best Social Media Campaigns

via jeff bullas

• Topsy is an app that helps you locate influencers by keyword, company name, person or category.
• ExploreB2B is a publishing platform for professionals in which you can assert thought leadership by writing articles about your industry knowledge and connecting to relevant influencers. Articles themselves receive traffic on the platform and serve as good material for other social media networks (Twitter, LinkedIn, Quora).
• ScoopIt allows you to curate articles from all online sources and categorize them based on topic or theme. (Think Pinterest for written content.)
• TweetDeck manages Twitter important messages and updates within a medium that makes all forms of interaction more efficient.
• Tweepi is the Twitter tool that helps toting a powerful amount of followers who are both relevant and willing to promote what you have to say. Works by entering the Twitter handle of any influencer that is relevant to your profession. A list of their followers appears (ie people who have already chosen to follow tweets about your same or similar industry topics). You can choose whom to follow by ticking the box next to their name.
• Buffer is a automation tool to queue links, quotes, pictures, comments and set the times are which you want your content to go out to Twitter, Facebook or both. (You can use SocialBro, another useful Twitter tool to find when are your optimal times to share by regional demographic and time zone.)
• SocialOomph is the broadsword for Twitter and social automation. Timed status updates are available on almost any social platform, queues of status updates, automatic follow back, scheduled blog posts, and statistics on clicks and downloads. It seems like, if social automation is possible, the app has the feature. 

fonte