Twitter announced on Monday (see tweet below) that links to media like photos, GIFs, polls, and videos will no longer count toward the 140-character limit Twitter has had since its inception.
The social media network is also testing not counting "@" replies toward a tweet's character limit.
The graph below from Twitter explains the old structure and the new format for tweets:
Home » »Unlabelled » Here is how Twitter has relaxed it's 140-character limit
Published September 19, 2016