Don't know but is the 'Search options' link above the YouTube search results new? The wonder wheel was longer available but not sure about these filters like Google.com.
http://lh4.ggpht.com/_J7sG-Fm0a5Q/SyseLrcKyKI/AAAAAAAAB4k/0aPecHv6qTw/s720/youtube_search_options.jpg |
It's new, I like it much more than the previous search options. |