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Now Playing: 08-20-13 Marketplace Tech - Going viral on Instagram

Whether you're a big company or a small business, online influence and visibility is a big deal. So it's no surprise that for years, people have sought to buy online buzz. And now there's a new twist in this game. Cybercriminals are selling Instagram followers with help from an old computer virus. And we continue our weeklong look at technology that helps people with disabilities approach the world in new ways.