No, not the decade-long upheaval in Europe that veered between liberty and riot.  The novel set in San Francisco by Matt Stewart, which is being released on Twitter RIGHT NOW, as part of a great new experiment in social media. 

The media has had a field day with this story, including the

• Wall Street Journal on-line
• New York Times on-line
• CNN.com (live interview)

But, more to the point, the novel’s a great read, and you can pick it up in a Kindle version, or through Scribd, and even an iPhone version. 

And if you like to read a novel backwards, in 140-character bursts, you can even read it on Twitter.  Though Matt suggests that’s better for sampling a novel, not reading it in its entirety.