You have messages for your friends and you wants to share on twitter.com but text which is more then 140 characters. What you do? Tinypaste will generate a simple url just like tinyurl which short your long web urls and tinypaste url will carry your text messages. You can use Tinypaste firefox add-ons and directly copy any web contents and generate a unique url. After that just go for share your desired messages.
It’s providing free service and you can simple paste your message contents/texts and submit it and you will get a url and which will carry your text contents.