In the past, recycling your tweets by posting them more than once was fine. Posting the same tweet that you posted a day, a week, or a month ago was also fine. In fact, some brands have made it a staple of their content strategies.
What’s changed? -> No longer allowed. No doubling up. No multiple accounts can broadcast the same tweet, either.
According to the new Twitter rules, you aren’t supposed to re-share the exact same tweet. Read more here.