The importance of backup can never be overstated. No matter what it is, if it’s important to you, back it up. You never know when something might fail, and you’ll find yourself wishing you’ve taken the time to back up your stuff. Your Twitter presence is no different. In the several years Twitter’s been around, many of us have collected thousands of tweets, followers, DMs and lists. While not all of these can be backed up, why not save what you can?