Well what to say about KNOL.
What the googlers say about Knol. (as written by Siobhan on bloger buzz)
Knol has simple web authoring tools that make it easy to collaborate, co-author, and publish. It has community features as well: Your readers will be able to add comments and rate your article, and, if you want, they'll be able to suggest edits that you can then either accept or reject. And, just like in Blogger, you can also choose to include ads from AdSense in your knols to perhaps make a little money.
One other important difference between Knol and Blogger is that Knol encourages you to reveal your true identity. Knols are meant to be authoritative articles, and, therefore, they have a strong focus on authors and their credentials. We feel that this focus will help ensure that authors get credit for their work, make the content more credible.
In my view got their central idea from the article publishing websites such as
AC (Associatedcontent.com)
Paidcontent.com
www.constant-content.com
www.lulu.com
www.ezinearticles.com and many others (just have a look at them anyone can understand that... Paying for the content).
And a mix of wiki idea of editing the main article (but with publishers permission) and putting the whole under common license as do the others mentioned above.
Where's anything new. Yes the banner Google. Compatibility with already existing Blogger, Google Reader, Adsense and may other similar Google services. Enough reason for many to opt for the knol project which is still in beta phase.. And using this site anyone can easily convert pdf and other knol supported files to word format without using any pdf to doc converters and yes its easy to use..
Hey don't think me as someone against that of google just remembsingh is king -trailer, -songser I too have joined Knol....