In David's view, Atom Pub and JCR are complementary – similarly to the HTTP protocol and the Servlet API, one doesn't replace the other, but rather they work together. David considers himself "a child of the Web" and a big fan of the REST approach. He feels that Apache Sling, a web framework backed by his employer, Day Software, offers the best option for building Web apps that follow the principles of Day Chief Scientist (and REST inventor) Roy Fielding.
Read the full interview for more.