For the first time since the service debuted back in 2006, Twitter is increasing the character count of its posts (called tweets) from the original 140 characters to 280 characters. The change is being rolled out to a small group of users right now and will be available to everyone soon. 140 characters on left and 280 characters on right In its blog post, Twitter explained how most users were frequently running into the 140 character limit. This was especially common to English speaking users, who would eventually have to split their thoughts into two or more tweets chained together...
Source: http://www.gsmarena.com/twitter_increases_character_count_for_the_first_time_in_eleven_years-news-27467.php
