The 140 Best Twitter Feeds of 2011

Followers: 154K
Sample tweet: "i just backed this kickstarter project. cool iPad case for the car, gym, etc and eco-friendly to boot: http://kck.st/f4MYd8"

The New York City–based venture capitalist Fred Wilson promotes smart start-ups and informs his followers about new companies he thinks are doing interesting things. He's invested in start-ups like New York Times Digital (yay!), comScore networks (yay!) and Geocities (ouch!). But it's not just business for Wilson. He's great at letting you know the things that really matter — like how to find the best espresso using recommendations from Foursquare and what he thinks of this year's buzzworthy South by Southwest business Hashable.

See 10 acts that rocked South by Southwest in 2011.

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