Taking a snapshot of today's communication resources including cellular networks, fixed networks and a variety of other wireless networks, we recognise that resources are often present, but rarely available to the user in a coordinated and trivial-to-use fashion. The main cause is that existing access technologies are not harmonized enough, due to commercial reasons and today's rather early stage in the era of mobile communications. The Ambient Networks project aspires to cope with these issues, within the vision of future mobile communications based on heterogeneity. Let's see how...