That increase in gun sales following the Newtown shooting might have had a little bit to do with Christmas season, as a lot of people are flaunting their new firearms on social media today, a trend first-noticed by The Verge's T.C. Sottek. As the AR-15 is a popular rifle of choice these days both for consumers and murderers, we decided to take a look at all the brand-new owners of that make of semi-automatic.