A CNN story highlights the work of an activist who has been using twitter and the web to show the faces of those he encounters who are currently homeless.
Mark Horvath was homeless himself fourteen years ago, but found himself looking away from those on the street once he got back on his own feet. He decided to change that by using social media to film people he met and tell their stories via social media.
You can find Horvath on Twitter at @Hardly Normal. His web tv station can be found at InvisiblePeople.tv