How to Add Captions To Your YouTube Videos

YouTube has a global audience, so if you want to reach as many people as possible, you’ll have to make sure subtitles are available for your videos. You’ll want closed captioning to reach the deaf and hard of hearing or to put it in another language too. Thankfully, that process has shifted from relatively easy to an absolute breeze in recent months. Here’s how to make it happen.

http://mashable.com/2010/01/16/youtube-captions-how-to/