Harry Pierson wonders "Where Have All the SOA Mashups Gone?" Well, \<a href="http://www.sdtimes.com/printArticle/column-20070515-03.html"" target="_blank" rel="noopener noreferrer">this one went well. I'm not sure if it counts as a "mashup" in that all the data I was working with was XML and the interdiction / mashup was programmed in Ruby.