Nico Nico Douga replaced it with a 2009 video. Shadow Play's "Bad Apple!!" and the year in which the vocal songs "Double Lariat" and "Magnet" were posted

Nico Nico Douga replaced it with a 2009 video. Shadow Play's "Bad Apple!!" and the year in which the vocal songs "Double Lariat" and "Magnet" were posted
The video lineup of Nico Nico Douga (Re: tentative) has been replaced with "popular videos posted in 2009". Since 2008, Vocaloid original songs have been popular....

The linked article is in Japanese.