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Due to the need to present information in a fast and attractive way, organizations are eager to use information visualisations. This study explores the collision between the different experts involved in the production of these visualisations using the model of trading zones supplemented with the learning mechanisms found in the boundary crossing literature. Results show that that there is not one single good solution to effective interdisciplinary cooperation in the field of information visualisation. Rather, all four types of cooperation that we distinguish -enforced, dominated, fractionated, and attuned -might work well, as long as they are adapted to the situation and the participants accept the constraints of the specific cooperation type they are engaged in. In any case the involved experts and initiators have to understand and incorporate approaches that enhance the cocreative, iterative nature of the production process. In surveying the different forms of collaboration we detect two major forms of trading zones: the one that encompasses the collaboration between an external client and a designer (external trading zone) and the trading zones within an organization between content producer and designer (internal trading zone). Both mechanisms of identifying each other's expertise and coordinating the different tasks in the production process seem beneficial for the production process.

More local news media, more of the same news More local news media, more of the same news The aim of this study was to map the Dutch local media landscape. What defines this landscape? Are there regional differences? Is any change noticeable in the relationship between offline and online news media?Results show that residents of Dutch municipalities have access to an average of 29 news media. However, only 40 percent of those media carry original news. Especially online local news is often copied or linked to; only 8 out of 19 online news media contain original news. Aggregators are dominant within the field of online news channels.While traditional local news media (newspapers, radio, television) encountered declines in the past few years, the number of hyperlocal online media increased. However, our research shows that this drop of traditional news media is compensated by online initiatives. In fact, in municipalities with many traditional news media, there also more hyperlocals.