1 is, " By 2014, social networking services will replace e-mail as the primary vehicle for interpersonal communications for 20 percent of business users: Greater availability of social networking services both inside and outside the firewall, coupled with changing demographics and work styles will lead 20 percent of users to make a social network the hub of their business communications. With Huddle for Microsoft SharePoint 2010, enterprise teams can invite external users into their daily workflow and synchronize their SharePoint document libraries with content stored on the Huddle network,