ichael Lewis was supposed to be writing about how Jim Clark, the founder of Silicon Graphics and Netscape, was going to turn health care on its ear by launching Healtheon, which would bring the vast majority of the industry's transactions online. So why was he spending so much time on a computerized yacht, each feature installed because, as one technician put it, "someone saw it on Star Trek and wanted one just like it?" Much of The New New Thing, to be fair, is devoted to the Healtheon story.