Check out how a makeup artist helped a homeless man go viral by posting him on Twitter. 26-year-old David Casarez took out his 401-K and drove to Silicon Valley to pursue the dream of owning his own tech startup someday. When that unfortunately didn't turn out for him he ended up broke and homeless on a park bench. One day he decided to get up and instead of asking for money he handed out his resume. Check out what happened when a makeup artist decided to share his story on her Twitter account...