Robin Good: Web of Stories is a free web site service which collects and organizes great people recounting key memories in video. Web of Stories also provides an opportunity for anyone to record, upload and share their own story in a video clip.
Record your story here: http://www.webofstories.com/record
On the site, you can already find plenty of videos of famous scientists, authors, movie makers and artists telling their stories through video.
Thematic channels: http://www.webofstories.com/channels
Telling stories, to help others understand an idea or comprehend what your product / service is all about, is increasingly being recognized as one of the best approaches to convey information in a mode that can be easily followed and absorbed.
P.S.: Web of Stories has lots of interesting clips, but nonetheless the opportunity for viewers to vote and rate such videos, navigation and access to the collection best parts remains yet an area in which major imporvements can be done.
Try it now: http://www.webofstories.com/