15 Must-Follow Twitter Accounts

NEW YORK ( TheStreet) -- Yesterday here at TheStreet, I explained Why Twitter Will Live and Facebook Will Die.

Today, to prove Twitter's all-around utility, I offer an annotated list of must-follow Twitter accounts.

Some focus on the stock market and investing, others do not. The selections run the gamut from those whose tweet infrequently, but always deliver, to regular Tweeters who are clever enough to clog your feed without much annoyance.

Fred Wilson, @fredwilson -- If nothing else, the New York City venture capitalist will alert you every time he posts to his excellent blog, AVC: musings of a VC in NYC.

Recently, Wilson defended Peter Thiel's decision to dump his Facebook ( FB) shares. Agree or disagree with Wilson, he provides solid insight from the inside. You'll learn a ton following him on Twitter and reading his blog.

Behavioral Finance, @victorricciardi -- Behavioral Finance tweets links to stories that focus primarily on the psychology of investing. Easily one of my favorite investment-related accounts.

Kara Swisher, @karaswisher -- There's no bigger scoopster in Silicon Valley than All Things D co-executive editor Kara Swisher. It's tough to find somebody with a better mix of insight, snark and wit. Sometimes she makes me angry, but that's a sure sign she's doing her job well.

GS Elevator Gossip, @GSElevator -- Everybody loves to hate Goldman Sachs ( GS). And this account, which may or may not be a parody -- I really cannot be sure -- might make you hate the company's culture even more.

Among the things allegedly overhead in the Goldman Sachs elevator:
#1: I always explain diminishing marginal utility in terms of cars, watches, or women.
#1: If you want a friend, get a dog. If you want a friend with benefits, find some chick who's in PR.
#1: I'm afraid at these levels. I feel like we're approaching an inflection point. #2: I'm hedged. #1: How so? #2: Extremely rich.

Steven Carraher, @StevenCarraher -- You've likely never heard of Carraher -- and he Tweets A LOT, at least 15 to 20 times an hour. That's usually a recipe for disaster. However, his tweets are almost always links to excellent short and long reads, often tech-related, though not always.

Use an extension such as Twitter-owned TweetDeck to follow a tweet-heavy account like this. You can add Carraher to a list of accounts, or give him his own column in TweetDeck to put his tweets in a separate feed.

Harvard Research, @HarvardResearch -- This is a solid account to follow if you like academic research. Each day, it posts about two links to Harvard University research in several areas.

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