Many generations of technology have promised to help users build their own solutions. The arrival of real user-driven innovation based on mash ups and other Web 2.0 technologies is one of the most startling aspects of the emergence of service-oriented architecture (SOA). One less frequently noticed byproduct of this achievement is the transformation in the relationship of the information technology function to the rest of the company. This week's Jargon Spy looks at how mash ups, in particular, are transforming IT staff from architects and builders to experimental chemists....