This paper describes the social networking questions, analysis, design and approach taken in the realisation of an interactive solution for the VAST 2008 challenge. The solution presented is a case study in this approach and won the phone call mini challenge award. The problem scenario of the competition is used as a case study
to explain the approach and experience with the developed tool. Design considerations and observations on the process used are drawn and suggestions on further research in the area of temporal graph data are made.