Sarbanes Oxley requirements and Twitter: How to Backup Your Tweets Using Google Reader

So, you have a corporation and need to backup your communications to meet Sarbanes-Oxley requirements? Here's how to use Google Reader (RSS feed) to backup your tweets. This is also very useful if you should want to archive and search your tweets:
http://www.readwriteweb.com/archives/how_to_backup_and_search_all_your_friends_tweets_i.php