Only about 1% of tweets hit the 280-character limit.
12% are longer than 140 characters (versus the 9% that hit the 140-character limit historically), and 5% are longer than 190 characters.
Across all languages, 6% of all tweets are longer than 140 characters and 3% are longer than 190 characters.
54% more messages say "please" and 22% more use "thank you" since the character limit doubled.
There's a decline of abbreviations like "gr8" (-36%), "b4" (-13%), and "sry" (-5%) in favor of the full words ā€” "great" (+32%), "before" (+70%), and "sorry" (+31%).
30% more tweets include a question mark, and there are more replies to tweets.
