Mark up websites, graphics, and photos, or start brainstorming on a blank canvas. Browse the web with your friends or make that conference call more productive than ever. No plug-ins, downloads, or firewall voodoo - it's all here, ready to go when you are. Browser-agnostic, user-friendly.
B. Vollan, C. Werthmann, and M. Kirk. Philipps-Universität Marburg, Faculty of Business Administration & Economics, Institute for Co-operation in Developing Countries (ICDC), Marburg, (2008)