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@Dell, @DellCares, @Direct2Dell (and many more)
@Dell, @DellCares, @Direct2Dell (and many more)

Followers: 1,584,837

There's a trend emerging among the savvy: social media listening. CEO Michael Dell is all about keeping an ear to the ground -- his company has an entire department dedicated to social media and community -- and connecting with customers all around the world.

With their Social Media & Community University, Dell now has 1,000 people certified to tweet, blog and post on behalf of the company (you need 4 out of the 14 courses at the university to become certified). Dell also launched the Social Media Listening Command Center, making sure the company is in tune with the 25,000 conversations happening a day focused on Dell, in any of 11 languages.

Dell's forward looking vision: "social radio." Every employee -- all 100,000 -- will in the future have a social radio (think widgets and smartphone apps) to tune to their specific part of business on a smartphone, notebook or desktop.

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Last updated May 09 2011: 2:10 AM ET
Follower counts as of March 2011
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