You've probably seen the "Dark as Knight" motorcycle helmet previously, but now one owner has upgraded it with a GoPro mount, and the footage is awesome to say the least. Just to recap, it's based on the GMax GM48S Platinum Series full face motorcycle helmet, and features several coats of black automotive paint, along with a clear coat finish to give it the glossy look. Yes, the GMax helmet is DOT approved, so it's not just for show. Click here to view the first image in today's viral picture gallery. Continue reading for the five most popular viral videos today, including one showing how to make your own flexible tablet stand.