There are limits already: >Tweets: 2,400 per day. The daily update limit is further broken down into smaller limits for semi-hourly intervals. Retweets are cou

There are limits already: >Tweets: 2,400 per day. The daily update limit is further broken down into smaller limits for semi-hourly intervals. Retweets are counted as Tweets. https://support.twitter.com/articles/15364 https://support.twitter.com/articles/15364