This document is available at http://www.ict4e.net/wiki/HCPT, where it can be edited by anybody and exported to various file formats. The document is available under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license. Please attribute Phillida Strachan (The Humanitarian Centre), Jane Slocombe (CUiD), Bjoern Hassler (The Science Media Network, http://www.sciencemedianetwork.org), as well as the additional ICT4E wiki users that have contributed to this document.