The project was led by Udi Manber, a Google vice president of engineering. It was announced on December 13, 2007, and was opened in beta version on July 23, 2008, with a few hundred articles, mostly in the health and medical field. The project was closed on April 30, 2012, and all content was deleted by October 1, 2012. The Internet Archive has snapshots of knol archived between July 2008 and May 2012. Mubvunzo: Chirongwa ichi chakaziviswa riini?
Zvita 13, 2007