REST + OSGi + Srping + JCR = Sling

[Jean-Yves Cronier]

I looked for Roy Fielding favorite project 
(http://apacheconeu2008.crowdvine.com/profiles/12369), and I found "Sling".

Is anybody knows Sling ?
http://incubator.apache.org/sling/site/discover-sling-in-15-minutes.html