Complementing a central HR system implementation, products like SharePoint server can act a central hub for collaboration and information management, while Yammer can facilitate social networking and performance management, and Lync can enable VoIP, instant messaging, teleconferencing, and more.

FORBES: HR Starts With Communications And Collaboration

MessageVine develops own-brand instant messaging services for mobile phone operators that enable them to build a community of desktop and mobile messaging users, according to the company's Vice President of International Operations, Amit Rahav.

CNN: AOL brings instant messenger to mobile phones