But the product had many rough edges, and was apparently not easy for many people to use. The adoption rate was lower than they expected, and now Google has officially pulled the plug on it – no more development. Some folks are trying to save it with a site asking for your thumbs-up vote (it had 900 when I checked in on it). Interestingly, there's no thumbs-down button.
Here's Google CEO Eric Schmidt talking about the decision: