The document discusses experimenting with innovative ICT tools like Yammer to facilitate collaboration and knowledge sharing in changing work environments. It describes an experiment using Yammer at Océ, a company that produces digital printing systems, to create a more open and connected organization. It also discusses using social media like Yammer to increase knowledge exchange among a group of Rabobank project managers. Key challenges discussed include sharing organizational context and procedural knowledge as well as overcoming obstacles to knowledge sharing like not knowing what colleagues are good at or what they are working on.