"YouTube is a video-sharing website on which users can upload, share, and view videos." — say the kids at Wikipedia
Seriously, who are they and now Scott Walker himself trying to kid?
Scott Walker's man copied and pasted that YouTube link from out of the HotAir comment box and made his very own "Tweet" out of it.
Which was dutifully reproduced by Walker's communications director.
Yo, Scott Walker, we were born at night, but not last night.