Facebook is buying the mobile app company Instagram for $1 billion. But when many similar image-based companies have failed to make a profit, will Instagram be any different?

Facebook is making its biggest purchase yet as it prepares to go public. The company is buying the photo-sharing app Instagram for a billion dollars.

A wee little program that lets you send photos from your cell phone to your pals is worth a billion U.S. dollars. That’s the price the social networking company Facebook is paying to snap up Instagram, an app that also lets the sender mess with the photos before sending them.

Facebook is making its biggest purchase yet as it prepares to go public. The company is buying the photo-sharing app Instagram for a billion dollars. Is it worth the price tag?

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The ability to conduct purchases on mobile devices is growing as apps develop, but traditional cash register companies are still making up the majority of the market.

I love Jim's items, but I've been advocating for a gift-free family Christmas for years because I dislike obligatory (and all) shopping and never…