Brendan Munnelly is a respected technical author, editor and journalist. He has written dozens of user guides and online help systems for software products, and currently delivers a range of training workshops and seminars. He is a frequent contributor to the technical and mainstream media. Paul Holden is Chairman of ECDL Ireland and Managing Director of Redacteurs Limited, a company that specialises in information design and documentation. He is a Chartered Engineer and a Fellow of the Irish Computer Society. He is a former member of the Irish Council for Science, Technology and Innovation.