August 14, 2013 Erin Moloney Viacom to expand Twitter Amplify program after selling out sponsorships for MTV’s 2013 Video Music Awards within a week August 14, 2013 Erin Moloney Viacom to expand Twitter Amplify program after selling out sponsorships for MTV’s 2013 Video Music Awards within a weekvia Tumblr http://erinmoloney.tumblr.com/post/58253776977 Erin Moloney