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This company is one of the great innovators of this era, and no company has ever done for secondary merchandise markets what eBay has. Plus, it's easy to understand how the company makes money.

When I make a purchase on eBay, the company earns a cut. When I sell something, the company earns a cut. In using PayPal to pay for those purchases or collect on sales, again, the company makes money.

When we decide last minute to buy Phillies tickets via StubHub, the company makes money.

This is a business that I can understand. I'm just not smart enough to understand how Amazon (AMZN) will ever make a significant bottom line, or if Twitter will exist in 10 years, but I am fairly confident about eBay's future.

Now if I could just pick up some shares in the low teens like the last time I owned it...

At the time of publication, the author held no positions in any of the stocks mentioned.

This article represents the opinion of a contributor and not necessarily that of TheStreet or its editorial staff.

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