I know some have heard about this, but if you haven't, here's a link with more information.
In summary, today they are trying to get Elder Holland's talk to page 1 of Youtube for a day or something, how you can help is by watching the video, linking it, favoriting it, liking it, commenting, etc. I guess multiple views are good too. Anyway, here's the link to the video.
Testimony of the Book of Mormon