Tweetbook.in lets you take a backup of your tweets in the form of a diary like PDF ebook. Login to start creating your tweetbooks.
Tweetbook.in is a free web app that helps you save your tweets in the form of a PDF, aka tweetbook. Tweets are ordered chronologically, oldest first, giving it a diary like feel.
I first got the idea when I read this blog post. I wrote a simple script to create a PDF from my tweets. When few of my friends were interested to get a PDF of their own tweets, I wrote this application.