If you tweet very interesting stuff in your Twitter accout, how about creating an ebook containing tweets of your Twitter account? Tweetbook allows you to create a PDF ebook (or XML output) with nicely date-wise publication of tweets in your account.
Just enter your Twitter username (no password required) and hit the ‘Lets get started’ button. You have option to exclude replies from the ebook and optional XML download of contents. In few seconds, your PDF ebook of Twitter ramblings will be ready for download. You can keep it for personal record or brag with friends by quick sharing. TweetBook, another reason to be interesting while you tweet on Twitter!