The first of a series of papers as part of a special issue of the Open Access Journal Future Internet on the theme “Internet and Landscapes“, as edited by the ISPRS Working II/6 on Geographical Visualization and Virtual Reality (Chris Pettit and Arzu Coltekin) has now been published by Philip Paar and Jorg Rekittke. The paper provides an excellent example of Grassroots GIS focusing on the urban blight issue of slums. The paper describes the application of a range of technologies including smart phones, collaborative mapping and 3D visualization that can be used employed to support landscape architectural analysis and design work. The full manuscript can be accessed via the journal through the following link http://www.mdpi.com/1999-5903/3/4/228/