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The most interesting story about investing and social media isn't that you can buy shares of Facebook -- it's the way so many advisers and investors are using social networking sites to connect with each other, and with market information.

Let's go over some of the items that will help shape the week that lies ahead on Wall Street: Warren Buffett talks; plastic wins; organic food does too; GM reads its odometer; and recent IPOs check in.

Today's economy is especially rough for the young members of Generation Y. And it's hard not feel sympathetic for them ... until you hear this alarming tidbit: Gen Y believes that success comes through luck. Yes, luck, not hard work.

Business travelers are still taking to the air despite the uncertain economy, but they're being a lot more careful about their spending. Here's a look at five apps that can help you make the most of your business travel budget.

Facebook will list its shares with Nasdaq, according to media reports. That would be a big win for the Nasdaq, which competes fiercely with NYSE Euronext, especially for an IPO as large as Facebook's, pegged at $5 billion.

Since the Web was born, its dominant companies have all had one thing in common: Eventually, they all crashed ... hard. Prodigy and Netscape are toast; AOL, Yahoo! and MySpace are shadows of their old selves. And then there's Facebook ...

With all the sturm und drang surrounding Facebook's upcoming May IPO, few media outlets are giving much oxygen to the IPO of online review hub Yelp, due March 2. It will give Yelp a market cap of around $800 million -- and the company isn't even profitable.

Hyper-connection means missing an email, text, Tweet or status update -- or a moment of the Kardashians. But is that a good thing? Are we too connected? And if the answer is yes, is it even possible to back away from the smartphones and social media and go back to our old-fashioned ways?

Regulators are warning the public to be wary of social media sites that could be offering bogus investment schemes. The warning follows civil charges filed by the Securities and Exchange Commission against an Illinois-based investment adviser who tried to sell fraudulent securities through Linkedin.

It is unusual for a stock's price to double in a year, but several well-known companies' shares have done it recently. The more important question for investors is: Which stock could be next? 24/7 Wall St. offer their list of S&P 500 companies whose stocks could double in 2012.