Zynga

As Friday's Facebook IPO -- and its gory aftermath -- proves, even experts can run into trouble investing in social media. But if you're still looking to get in on the Facebook action, and want to mitigate your risks, this ETF might be the way to go.

Forget how Facebook is beating up its IPO investors: The social network is still giving many other publicly traded companies fits. And these five in particular are seeing their business models take a hit at Facebook's expense.

They are smart people who let millions of dollars slip through their fingers. Their mistake: Leaving a job at an early start-up that went on to become super-hot, or, just as bad, turning those jobs down.

Don't feel bad that you aren't one of those lucky, well-connected investors who gets to buy into Facebook's IPO this week. Those buyers may look lucky when the likely initial price pop happens. But odds are, the pop will be followed by a drop.

It was another happy quarter for Disney: The family entertainment giant delivered $9.6 billion in revenue, 6% ahead of where it was a year earlier, and beat analysts' targets. But let's check out the real hidden gems in Disney's earnings report.

This week on Wall Street, everyone will be watching Netflix; mutual funds will talk assets under management; we'll see earnings from some stock freshmen; NFL teams will pick their own fresh stock; and a few companies are likely to issue deja vu quarterly reports.

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.

In Rovio's boldest bet yet, the app developer behind the immensely popular Angry Birds franchise will be putting out 52 episodes of an animated Angry Birds series.

Recently, companies have begun to ask potential employees to hand over their Facebook passwords, and the backlash has been loud, widespread and angry. Too bad we hardly have any online privacy left to save.

If you haven't started playing mobile gaming app Draw Something yet, you've probably seen it. The Pictionary clone has gone massively viral worldwide, which made its owner, OMGPOP, a minor thorn in the side of social gaming leader Zynga.