Twi.tt is a free online service that will help you to share pictures, videos, documents, audios and polls via your tweets. It is very simple and easy to use anybody you can sign up twi.tt via your twitter account.
You can easily upload pictures, videos, documents, audios and polls into twi.tt after upload your files you will get a short URL this will use for share files. When you uploaded your files into twi.tt the short URL and your message will appear in your tweet list. Another important feature of twi.tt is the uploaded documents can view on your browser.
Twi.tt provides lots of options for uploading files i.e. you can upload files from computer or URL. Video and audio files can be upload from computer or record from webcam or microphone. Currently some options of the twi.tt will not working twi.tt claims that it will work soon.