"Knol is short for “unit of knowledge” and anyone can create their own knol. If there is one thing which characterises the free software model it is that it is collaborative, whether it is a wiki, a distribution or the development of a piece of software—or Wikipedia. Of course there is nothing to stop you acting as a one man band, but knowledge is often advanced and improved when the effort is voluntary and collective. There the resemblance with any kind of Wikipedia-killer ends. Knols are individual creations and the creator of a knol retains ownership of their creations and controls any moderation."
