Mark Horvath has been a drug addict, a con artist, a producer for Christian television, and for a time, homeless. Now, he's using social media to raise awareness about homelessness and poverty in America. Armed with a website (invisiblepeople.tv), Twitter account (he goes by @hardlynormal), and a camera, Mark's on a mission to give "a face and a voice to homelessness."

Watch, and meet the guy who just might solve homelessness with his Twitter account.