Great article from Google,
Good to see they are acknowledging one of the key uses of
YouTube as a voice platform.
“… in March, we launched a tool called
"Call to Action," which allows nonprofit organizations to drive
traffic from an in-video overlay to an off-site page where they can collect
donations, signatures or email addresses …”
http://googleblog.blogspot.com/2009/07/digital-activism-on-youtube.html