Three never-before-seen photos from the "3" video will be released today- one every three hours! Here's the second:

If you're going to tweet about the premiere of the '3' video, use the hashtag #britney3premiere - hopefully this will make the trending topics!

What's a hashtag? What's a trending topic? On Twitter, the most talked about topics of that moment, called "Trending Topics," appear in the bar on the right hand side, right under your follower count and the search box. By using a hashtag, or one common term that starts with a # symbol, all the tweets about one subject count towards making that hastag a Trending Topic. You can also click on a hashtag to see all the other tweets also containing that hashtag.

The 3-day countdown to the "3" video premiere has begun! Here's the deal: During the next 3 days, Britney will launch her video through pictures and video clips, culminating with the "3" video "Premiere Tweet" on Day 3 -- Friday, Oct. 30. Are you in?

Day 1: Photo Release
Three never-before-seen photos from the final "3" video will be released via Britney's official Twitter today -- one photo will be sent out every 3 hours. Triple fun that way.

Day 2: Video Teaser Release
We will release three 5-second clips of the "3" video starting tomorrow morning -- one clip will be sent out every 3 hours via Britney's Twitter. 

Day 3: 3-Day
On Friday, Oct. 30, Britney will Tweet the link of the video premiere for your viewing pleasure. Livin' in sin is the new thing.