Following the rather acute divergence in opinion regarding the ideal length of characters for a tweet, one extension offers you the ability to shrink longer tweets back down to 140 characters.
140 characters RSS
After research showed that English language users had to cut down their text more often compared to languages such as Korean and Japanese, Twitter will trial doubling the limit with a subset of users.
New screenshots which surfaced online appear to show an official tweetstorm feature running on the Android Twitter app. The feature is hidden and requires a developmental version of the app to use.
After announcing the new features back in May, Twitter has finally announced the rollout of its new character limits, which are that media attachments and Quote Tweets won't count toward them.
Twitter will no longer count @names or media attachments as part of the 140-character limit; the '.@' requirement to reach all followers will be dropped; and users will be able to retweet themselves.
Twitter CEO Jack Dorsey has indicated that the company will abolish its 140-character limitation after a recent report that the company may allow up to 10,000 characters per tweet.
Twitter is making another change to its social network and it's dropping the character limit on direct messages. Coupled with other recent changes, the company hopes this will help its users.