Novels for the time impoverished?

Having fallen prey to the emergencies of real life, and in particular the demands of small people, this will undoubtedly be one of my shortest posts. Although in terms of fashionable brevity by the time you've read to this point it's overlong.

The solution to my current time shortage may be a new Japanese phenomenon keitai sohousetsus. ReadWriteWeb reports that mobile phone novels account for half of the top ten best selling novels in Japan in 2007. Many of the authors are Japanese school girls bashing out the next tiny bit of the story between classes. Western authors are now attempting to copy the idea using the ubiquitous twitter.  So far this hasn't been a resounding success. The market is open!