The potential for education resulting from this mix-up / mash-up culture is twofold. First, individual creativity can take place at a level higher than content: just like new content is created by combining other content, new functionality is created by mash-ups. Secondly, the syndication of functionality by widgets allows extending existing learning environments. This way, additional expression channels can be added at a very low cost. Personal Learning Environments (PLE) takes this concept one step further. A PLE [39] is not a pre-build collection of tools and content but a framework that allows a learner to assemble his own suite of applications and content sources. It is build on Web 2.0 technology and uses Web 2.0 services, such as blogs, wikis and social bookmarking. Various content sources, applications, such as e-portfolios [7], and information from social networks are integrated by the learner with the PLE