Update, got the following info from a YT comment;
mobileburn (5 hours ago)
Folks, this was done at CES 2009 (hence the January 13 upload date). The device turned on instantly because it had been in use all day and probably had just been stuffed into the box to make an unboxing video. This was shot in Palm's lounge at the Las Vegas Convention Center. We've seen the box before, we've seen the phone before. This is just somebody thinking to stuff it in the box for a second to get an "unboxing" video.