Contrary to some negative comments, Knol is alive and growing.
Number of new knols posted is on the rise, many authors who were not active are becoming active and page views and visitors are continually increasing.
Update to Knol on 24.9.2011
During the last six months, there was a great increase performance of Knol and almost 100% increase in page views is recorded by top authors.
Knol is now a top 1000 website