Why I See at Least 50% Upside in AOL

It may be one of the wildest reversals of fortune in modern history. As the 1990s were coming to a close and the nation was increasingly getting "online," AOL Inc. (NYSE: AOL) was sitting on top of the world. Its famous "You've got mail" notification even spawned a box-office hit.

At the top of its game, AOL also purchased multimedia corporation Time Warner (NYSE: TWX) in 2000 for a hefty $164 billion, creating AOL Time Warner Inc. and the world's largest media company.

Then disaster struck.

Broadband Internet increasingly became the norm, causing AOL's popular dial-up Internet service to lose traction. By the time the dot-com bubble burst in 2001, the company's growth and revenue had plunged so much that it reported a $99 billion loss in 2002 -- the largest loss ever reported by a company at the time. Not much changed between then and 2009, when, after a disappointing merger, it was announced the two companies would part ways.

Since then, AOL has quietly begun to turn things around, despite the fact that only a few investors have noticed the slow comeback. If you're not afraid of the surprising turns the Internet industry could take, then this could be a rare opportunity to invest in a well-established Internet company.

But before I get into why this is a great turnaround stock, it's crucial to understand the company during its earlier days...

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The old AOL business model
Who doesn't remember getting AOL's free CD-ROMs of the dial-up software in the mail?

This business model seemed ideal at the time. Of course, the dial-up software was used to funnel users through the AOL browser, where the company also controlled the user's entire online experience.

That meant AOL was in a prime position to generate major ad revenue, fueled by all those unsuspecting dial-up customers. Never even mind the fact that the company was also charging people a monthly subscription fee for the privilege of using the AOL web portal.

But by 2004, many things had changed for the World Wide Web. AOL wasn't one of them.

For starters, Google (Nasdaq: GOOG) was taking over as the king of Internet search, en route to its current market share of 66%. AOL's system was definitely a victim of Google's search empire.

That was also the same year broadband connections finally outnumbered dial-up connections. Just as troubling, the so-called "Web 2.0" -- which used more advanced technology than the static pages of earlier web sites -- was on the way. Clearly, AOL's dial-up service just couldn't compete anymore.

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