Open Social: a new universe of social applications all over the web (Marc Andreessen)
blog.pmarca.com
blog.pmarca.com
In a few months they'll hit upon the idea of making a standard set of CSS classes that apps can use to blend into the style of the host site. Hats off to google et al if I'm wrong and tomorrow's announcement already includes CSS guidelines.
This is exciting news.
On a more serious note, take a look at version 4. http://news.ycombinator.com/item?id=72899.
Anyway... read his post on procrastination... he offers some excellent advice.
It's also the first step towards semantic web!
Web is changing for sure
Applications opening their data to others through a general api is the first step towards semantic web.
So where is the misuse exactly?
I didn't describe OpenSocial as the Semantic Web. W3C XForms were beaten thanks to the workaround of AJAX applications. which are not even supported in IE7.
Obviously the Web is not commercially mature to grasp Semantic Web in its whole.
the following quote is from this article and I believe it should answer your question
"... You'll notice in those Ask A Ninja examples that the Flixster app is not as visually integrated as in the other examples. In a real production system, the Flixster app will pick up the styles of the parent page."