Thread:BLUEBIRD/@comment-5290733-20130109031111/@comment-2039590-20130109040244

"What is that doing there?"
 * That is the error message supplied by YouTube.

"The video under "Hidden Videos" is well and alive."
 * That was recog's video ts the time when they were temporarily hidden.

"The error page given for "nonexistent video" is also used for some sort of deleted video, but I don't know what. Either that, or I have been linked to an unreasonable number of nonexistent videos."
 * That was an intentionally nonexistent number, to provide a hypothetical example of what would be a typing error.