"I started to carry chalk around with me. I ride my bike a lot, so, I’d ride my bike over to people’s houses and leave them messages in chalk on their sidewalk. I set up a couple of systems with people where, when they got home, they would put something in the window, like a stuffed dog, or put a pumpkin up on the ledge that meant ‘Hey, I’m here. Come talk.’ I started having fun trying to dream up different ways to get people’s attention."

Jake Reilly, a 24-year-old college student who gave up his cellphone, email and social media for 90 days. He says that, among other things, the experiment taught him that some people he thought were close friends really weren’t that close after all, and he thinks it helped him get back together with a girlfriend. Read our whole interview with him. (via yahoonews)