Why some 13-year-olds check social media 100 times a day. Updated 3:55 PM ET, Tue October 13, 2015. Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. Photos: #Being13 in the social media age. I like made this google document on all my rules and requirements on how to take a selfie. I take a lot of pictures, but don't judge, I take like 100 usually, or like 150, maybe 200 sometimes if I really can't get a right one.