I continue to wonder, after the seed was planted by Jeff Jarvis a few episodes ago on " This Week in Google ," if "the app" is indeed the new operating system. Jeff also points out that apps are changing the open web, because they are closed and thus not searchable by Google, Bing or Yahoo. At the same time I myself have been using more web apps on my iPhone. Both Google and Yahoo offer excellent web-based mail tools, and I've also been using a number of other Google products (I mostly us ...