[...] As of a few hours ago, Programmable Web 2.0 has gone live!  This site has always been interesting for those who are intested in the interactions between web services; some new features make even more so, including dashboard summarizes of the latest mashups (updated daily), and includes metrics and charts tracking API and mashup growth, as well as blog snippets, and other odds and ends. By far the best page has not changed but remains great: the matrix lists and links to most, if not all, possible ways to mashup various web services. [...]