bots bots

The Grinch, played by Jim Carrey, conspires with his dog Max to deprive the Whos of their favorite holiday in the live-action adaptation Dr. Seuss' How The Grinch Stole Christmas. Getty Images/Getty Images hide caption

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Getty Images/Getty Images

Mateo Lorente (left) wears his new Supreme shirt as people flock to a Louis Vuitton store in Miami to purchase limited-edition Supreme and Louis Vuitton collaboration items, in June. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images

Beyonce performs onstage in 2013 at the Barclays Center in Brooklyn, N.Y. Rob Hoffman/Invision for Parkwood Entertainment hide caption

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Rob Hoffman/Invision for Parkwood Entertainment

Can't Buy A Ticket To That Concert You Want To See? Blame Bots

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By hijacking a user's computer, "bad" bots make it look as if she visits a website often, thus making the site more valuable to advertisers. iStockphoto hide caption

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In A Battle For Web Traffic, Bad Bots Are Going After Grandma

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