The company is changing the way it counts 140 characters
Twitter is about to make a big change to the way that tweets work, The Verge can independently confirm. Beginning September 19th, the company will cut down on exactly which types of content count toward the platform's 140-character limit. Media attachments (images, GIFs, videos, polls, etc.) and quoted tweets will no longer reduce the count. The extra room for text will give users more flexibility in composing their messages.
Really very good news. Many times encountered this problem. Now I look forward to September 19)
http://www.theverge.com/2016/9/12/12891562/twitter-tweets-140-characters-expand-photos