When I was studying the use of mobile phones among university students in Tanzania, I spent many days waiting for interviewees who failed to show up, without explanation. Many other interviewers, even local ones, reported having the same problem. Later I learned that the easiest way to meet users was to select a random chair anywhere in the campus, sit down, and wait. It would not be long before one of the local students would come to talk to me. Try the same at a busy Finnish university campus, and the chances are the only person who will approach…
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