Today, Google Earth 5.0 launched, and one of the most exciting features is Ocean, which you can read all about here . Partners like BBC , National Geographic , Cousteau , Tagging of Pacific Predators , Ocean Conservancy , and Kip Evans Photography have already taken advantage of the new subsurface Ocean in Google Earth to place their YouTube videos below sea level - and now you can too.

Anticipation is running high for today's Super Bowl clash between the Pittsburgh Steelers, who are seeking their record sixth NFL Championship, and the upstart Arizona Cardinals, who are looking to continue their unlikely - some would say destined - run to the top. Every year, advertisers pay millions of dollars for time during commercial breaks. Historically,

Today marks the beginning of Black History Month and, with the recent inauguration of Barack Obama, it is a particularly appropriate time to celebrate the achievements of African-Americans. To contribute to the celebration, we're partnering with Grey Goose to present a month of special programming in the YouTube Screening Room . We're excited to kick things off with four films that offer unique accounts of moments or themes from African and African-American history. "Amandla!

Over the last few months, thousands of you joined the Davos Debates at youtube.com/davos , and answered the four big questions the World Economic Forum posed to the YouTube community: • Economy: Are you confident that global growth will be restored in 2009? • Ethics: Should company executives have a code of ethics similar to doctors and lawyers? • Environment: Will the environment lose out to the economy in 2009?

Today, we are making it easier to add annotations directly to your YouTube videos. Simply login to YouTube, watch your video on the watch page and click on the video to start adding annotations. But don't worry - for those who need more control, you'll still be able to access the separate annotations editor. We are also making it easier for your annotations to link to a variety of different YouTube pages. You'll be able to link to another video, channel page, playlist,

You may have already noticed , but this past December we rolled out Hi-Definition-enabled video viewing here on YouTube. Just click the "watch in HD" option below any HD-enabled video, sit back and relax as the joy of YouTube comes to you sharper and more cinematic than ever before. And while you're certainly free to browse our new HD Videos area , we've taken the liberty to spotlight a few HD favorites of our own on today's homepage. From an epic Internet history lesson ,

We're happy to announce the launch of a feature many of you have been asking for. Now you have the ability to delete comments you've made on videos. We've all been there. Whether you misspelled "pwned", back in the day when you were just a n00b to the internets, or you simply said something you wish you could take back - now you can remove your commentary at any time. The Abuse & Safety tool is here for you to resolve issues like harassment and bullying.

The deadline is fast approaching to submit your audition videos to be a part of the YouTube Symphony Orchestra. We hope that you have been practicing, as your last chance to upload your two audition videos is 9pm PST on January 28. Need any last minute instruction? There are masterclasses available from members of the London Symphony Orchestra along with tutorials provided by those classical musicians who are also auditioning, like BenChanViolin and NinaFlute . To get started,

Anyone can buy a box of chocolates for their Valentine, but someone who makes something handmade? Now they're a keeper. This Valentine's Day, The Food Network and YouTube want to see all you aspiring pastry chefs shine. Helping us spread the culinary love is "Ace of Cakes" star Duff who is calling all baking Gurus to showcase your most love-inspired treat. The possibilities are endless here, people. Big cake? Sweet. Cupcake? Nothing wrong there. Cake from a box?

This Sunday marks the end of the 2009 Sundance Film Festival, but the celebration will continue on YouTube. The Sundance Film Festival recently launched a YouTube channel that allows all of you movie enthusiasts to get a glimpse of what took place during the 25th anniversary year of the influential festival. For those of you interested in the filmmakers behind the films, there's the "Meet the Artists" playlist ,

Today we're delighted to announce that the Vatican has launched a dedicated YouTube channel . To find out more about why The Pope has taken the decision to interact with YouTube on a regular basis, here is a short introduction from Father Federico Lombardi, S.I., Director of Vatican Radio, the Vatican Television Centre and the Holy See Press Office. So, for regular updates on The Pope and the Catholic Church's take on the major problems facing the world today,

YouTube's influence in politics hasn't been just an American phenomenon. Around the world, voters have been using YouTube to speak up on political issues. We've done televised election programming in Spain ) youtube.com/elecciones08 (, the UK ) youtube.com/londonmayor08 (, not to mention Greece and Poland. And now, for the first time in the history of Israel,

We're happy when we can help YouTube users enjoy the content they love, and we're happy when we can help our partners build their businesses online â€" but we're happiest when we can do both. That's why last year we launched our eCommerce platform for YouTube, which allows users to easily "click-to-buy" products - like songs and movies - related to the content they're watching on the site.

Today, Barack Obama will be inaugurated as the 44th President of the United States. Here at YouTube, we've seen the two-year-long presidential campaign unfold through video - with hundreds of thousands of videos produced by the campaigns , created by voters , and re-mixed and mashed-up by the community in innumerable ways. Obama inspired people all over the world to take ownership over his campaign with messages of hope and change,

In late 2008, we once again challenged our community of YouTube experts to get creative and make helpful videos to accompany a few of our Help Center articles. The YouTube community did not disappoint and we're excited to announce another set of user videos now included in our Help Center! Congratulations to destorm ,

It's not often you're offered the opportunity to receive an all-expense-paid trip to meet with the world's top leaders and thinkers, just for speaking your mind. But thanks to the World Economic Forum and YouTube, you are. However - time is running out for the chance to attend this year's World Economic Forum )WEF( in Davos, Switzerland. Check out the Davos Debates YouTube channel now - and weigh in on the four key questions posed there.

Have you ever wanted to just sit on your couch and watch YouTube on your TV? Well, now that's possible via YouTube for Television, initially available through the Sony PS3 and Nintendo Wii game consoles at www.youtube.com/tv . Currently in beta, the TV Website offers a dynamic, lean-back, 10-foot television viewing experience through a streamlined interface that enables you to discover,

Music licensing can get very complicated , but we try to make your experience as simple as possible. We want you to have options when uploading videos with music in them. And if your video is subject to a copyright claim, you should have some choices too. Previously, when a music label or other rights owner issued a copyright claim to block audio, the video was automatically taken down.

The YouTube community has voted, the panel of journalists from the Pulitzer Center have carefully reviewed the final submissions, and the recipient of the grand prize has finally been chosen after four months of hard work. Today, we're happy to announce the winner of Project: Report , YouTube's first ever journalism contest )produced in partnership with the Pulitzer Center and made possible by Sony VAIO & Intel(,

Have you ever wondered what your elected representatives actually do in Washington, D.C.? Ever pondered what day-to-day life on Capitol Hill consists of? Do you want to connect with your Senator or Congressman, but don't feel like sitting down to write a letter? Starting today you can do all these things via YouTube. As the 111th Congress kicks into gear, many of your elected leaders are starting their own YouTube channels.