The special track “Mashups for Learning” (MASHL 2009) took place within the “International Conference on Interactive Computer Aided Learning” (ICL 2009) in Villach, Austria. Personal Learning Environments (PLE) are the application type for mashing up learning services. We asked for contributions for an increasing research field. MASHL 2009 provided an excellent space for discussions in order to improve the learning and teaching routines of tomorrow. This special issue consists of the outcomes of this intensive process with international experts.

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