Our title is itself a book's and the first sentence, see that after the comma, is in its front flap by journalist Scott Rosenberg. Let's take some more words from it and share here. Blogging brought the Web's native character into focus---convivial, expressive, democratic. Bloggers have become the curators of our collective experience, testing out their ideas in front of a crowd and linking people in ways that broadcasts can't match. Blogs have created a new kind of public sphere--one in which we can think out loud together. The preceding paragraph is all in the book flap, front and back. It is the simplest answer if somebody is asking what a blog is, then and now. Although we see that as the magnanimous purpose of a blog which is really enticing and challenging. It adds choices and rooms for both sources and audiences without the regular prescriptive cadence.  What's common is the responsibility. Whether or not we do it via blog, print and online news, and whoever