A week ago, we reported how if you search on Google for let it snow, the Google search results page will actually snow.
But did you know the same thing happens on YouTube?
Try searching YouTube for [let it snow] and you will be granted snow flakes.
Not only that, if you want to add snow flakes to your videos, all you need to do is click on the snow flake next to the resolution picker on the bottom right of the video player.
Here is a picture:
Heck, give it a try on my video of us testing our RB holiday gifts.
Forum discussion at Google Blogoscoped Forums.