When you sign up for Twitter, you have the option of keeping your Tweets public (the default account setting) or protecting your Tweets.
If the idea of strangers reading your Twitter updates makes you feel a little weird, try protecting your Tweets at first. You can always change your mind later. When you protect your Tweets, the following restrictions are put in place:
You can protect your Tweets in your account settings page, following these steps:
When you navigate to your home page after protecting your Tweets, you'll see a notice reminding you that your Tweets are now protected. Accounts with protected Tweets can always go public by un-checking the box in account settings.
Check out our Troubleshooting Article for more information and troubleshooting tips.