Where can I get real-person introductory video's for a website?

Question:

Where can I get real-person introductory video's for a website?
ie. a video of a person talking and introducing a product/service to viewers of the website. many thanks in advance.

Answer :

see at http://kindlecentre.com , videos for presentation about new product 'Kindle'

More Answer :

At www.kindlecentre.com, videos are used for presentation about Kindle.

See this videos :