
Guest post: Tony Hirst is a lecturer in the Department of Communication and Systems at the UK's Open University, co-founder of document discussion platform WriteToReply.org and member of the JISC's DevCSI Developer Focus Group. An aspiring "mashup artist", he blogs regularly at OUseful.info.For several years, I have been exploring various ways of using online applications to grab and display data from around the web and represent it in a visual form....