Building Sustained Community Engagement [gigya width=”425″ height=”355″ src=”http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=emarketingsummit2011final2-110425165757-phpapp02&stripped_title=building-sustained-community-engagement&userName=billjohnston” quality=”high” flashvars=”gig_lt=1303769248492&gig_pt=1303769275292&gig_g=1&gig_n=wordpress” wmode=”tranparent” allowfullscreen=”true” ]