Yesterday's Mashup of the Day was a fun one for those who miss the good old days of command shells, goosh.org, "the unofficial google shell". Developer Stefan Grothkopp coded this on top of the Google Ajax Search API to give you a command shell for interacting with Google search queries.
There are thousands of Web APIs now available on ProgrammableWeb. More and more developers are using Web APIs to create very useful web applications and mashups. Some developers are using Web APIs to create mashups that are just plain fun. This post features a few really creative, entertaining mashups.