Posterous and Tumblr are the future of online publishing — how much do you know about them?

London’s Guardian newspaper said , “Sites like Posterous and Tumblr have refined blogging by streamlining the posting process, stripping out many of the bulky features and offering slicker, more real-time features and designs.” Piqued your interest? Ragan Communications, publisher of PR Daily , is offering a how-to webinar that will introduce you to these sites.  Read more about it.