Web 2.0 on Flickr – Photo Sharing! There would be no WWW without links. Links make the web, one page to another, one idea to another, one person to another. There should be no blog post without links. Not only do links take your readers to more information about a topic, they provide breadcrumb trails for readers at those other sites to find you. In the blogger world they call this trail a trackback. I know, we all groan and roll our eyes over terms, but this one actually means what it says — it provides a track for readers to follow back to your blog from the one you…