Micro-Blogging platform Twitter starts protected Tweets that searchable for private users. Twitter officially reported on their Support account that “Your updates will now appear in Twitter Search for you and your approved followers.”
If your Tweets are protected, your updates will now appear in Twitter Search for you and your approved followers. https://t.co/8RMP9kuhP7
— Support (@Support) August 29, 2013
The public Tweet are the the default settings on Twitter while you create an account. The protected Tweets are a user manually approve each person who may view that account’s Tweets. TheNextWeb.com says that “It’s important to note that the move doesn’t make protected tweets visible to anyone new, and protected tweets still won’t show up on public search engines.