Youtube

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Image: YouTube, Tracking Point Labs

Google Glass Gun.jpg

Image: YouTube, Tracking Point Labs

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** FILE ** This file image from video posted on YouTube shows Elliot Rodger. Law officers who visited Rodger three weeks before he killed six college students near a Santa Barbara university were aware that he had posted disturbing videos but didn't watch them, and they didn't know about his final video detailing his "Day of Retribution" until after the deadly rampage, officials said. (AP Photo/YouTube, File)

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** FILE ** Bruce Huffman, whose attempts to learn how to use a webcam went viral on YouTube. (Associated Press)

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This image from video posted on YouTube shows Elliot Rodger. Sheriff's officials say Rodger was the gunman who went on a shooting rampage near the University of California at Santa Barbara on Friday, May 23, 2014. In the video, posted on the same day as the shootings, Rodger looks at the camera and says he is going to take his revenge against humanity. He describes loneliness and frustration because "girls have never been attracted to me." (AP Photo/YouTube)

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This image from video posted on YouTube shows Elliot Rodger. Sheriff's officials say Rodger was the gunman who went on a shooting rampage near the University of California at Santa Barbara on Friday, May 23, 2014. In the video, posted on the same day as the shootings, Rodger looks at the camera and says he is going to take his revenge against humanity. He describes loneliness and frustration because "girls have never been attracted to me." (AP Photo/YouTube)

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This image from video posted on YouTube shows Elliot Rodger. Sheriff's officials say Rodger was the gunman who went on a shooting rampage near the University of California at Santa Barbara on Friday, May 23, 2014. In the video, posted on the same day as the shootings, Rodger looks at the camera and says he is going to take his revenge against humanity. He describes loneliness and frustration because "girls have never been attracted to me." (AP Photo/YouTube)