Five years ago today, Hurricane Katrina made landfall on the Gulf Coast region, crashing through the levees that held the waters of the Mississippi River Gulf Outlet at bay from the city of New Orleans. Overnight, 80 percent of New Orleans was submerged. To this day, only a fraction of residents in the hardest hit areas, like the Lower Ninth Ward, have returned to their homes. Today, in partnership with ABC 26 )WGNO(, a local television station in New Orleans,

Starting today, you can experience YouTube in four new languages: Croatian, Filipino, Serbian and Slovak. This brings the grand total of languages we support to 28, a nearly 50% increase since the beginning of 2010. )And remember: by selecting automated captions on a video, you can experience that video in over 50 languages.( Take a look at the languages we've launched since the start of YouTube: By the end of this year,

We're always inspired by the people who use YouTube as a way to document how the other half lives, and Mark Horvath is a great example. As the founder of Invisible People. tv , a project that encourages homeless people across the United States to tell their stories on YouTube, he has sparked a discussion on the site about poverty and hunger. Mark's videos are a raw and real depiction of what it's like to live in a tent city, under an overpass, or within a cardboard box. Today,

This week marks the last session of our summer series, but do not fret, all of the fascinating lectures and material we've surfaced for you over the weeks will still be available on YouTube EDU. In only six weeks, we've learned some interesting things about topics ranging from classical mechanics and differential equations to exploring drawing techniques and French history . While we've had fun pulling these videos together into topic playlists,

There seems to be no hotter topic for discussion among Internet watchers these days than concerns over online free expression - from the role of bloggers in advancing democratic movements, to sophisticated government censorship, to debates over how best to balance transparency with national security concerns. YouTube,

Hello, music lover, meet "Unstaged," a new five-part concert series brought to you by YouTube, American Express and VEVO . Each performance will not only be streamed live on YouTube, but it will also have unique on- and offline components to entertain fans - for example, you may be able to vote on the encore performance or switch camera angles. And if you miss anything,

Tonight, thousands of fans will pack into Madison Square Garden in New York City to hear Arcade Fire...but they won't be the only ones experiencing the band's orchestral indie rock roar: the concert will be live-streamed right here at 10 p.m. )ET(. The global webcast will be directed by Monty Python alum and award-winning filmmaker Terry Gilliam, and is the first show in the new "Unstaged" concert series brought to you by YouTube, American Express and Vevo.

It's well known that the mobile Internet is huge and growing fast; what's surprising is exactly how fast. According to a recent report , within five years more users will connect to the Internet via mobile devices than desktop PCs. YouTube consumption on mobile devices has also grown considerably: playbacks were up 160% in 2009 over the previous year. And we're excited to announce that YouTube Mobile now receives more than 100 million video playbacks a day.

"YouTube Answers" is a series we began in April to introduce you to a variety of people who work here and give you the chance to ask us questions about a broad topic relevant to the site. Camille Hearst and Shenaz Zack bravely went first, to answer your questions about partnerships . Next, we recruited Brian Truong, Product Manager; Shalabh Chaturvedi, Software Engineer, and Victoria Grand, Head of Policy,

The YouTube ecosystem is vibrant and growing fast. We have over 10,000 partners, and 94 of Ad Age's top 100 advertisers have run campaigns on YouTube and the Google Display Network. We've made great progress in the last five years. But we think we can do better. That's why today we are announcing the YouTube Partner Grants program that will invest five million dollars across select new and emerging YouTube partners.

Whether you're on Team Edward or Team Jacob )we're pretty much split 50/50 here at YouTube(, tune in tonight to watch red carpet coverage of the Eclipse premiere, live from the Nokia Theater in Los Angeles. From 5:30 p.m. PT onwards, Twilight 's YouTube channel will give you a front-row seat to the arrivals area where many of the film's stars, including the buff Taylor Lautner, beloved Robert Pattinson, and belle Kristen Stewart,

Today, the court granted our motion for summary judgment in Viacom's lawsuit with YouTube. This means that the court has decided that YouTube is protected by the safe harbor of the Digital Millennium Copyright Act )DMCA( against claims of copyright infringement. The decision follows established judicial consensus that online services like YouTube are protected when they work cooperatively with copyright holders to help them manage their rights online.

OK, YouTube. We know you love to dance. You've been shaking your stuff in front of the camera in your bedrooms, bathrooms and on the streets for years now. And all that practice is about to pay off: we're joining forces with Jon M. Chu )and Dr Pepper Cherry( for the first-ever "YouTube Dance Contest: Dance Studio." If you love dance, you know who Jon Chu is. From the Miley and Mandy ACDC Dance Battle to the Legion of Extraordinary Dancers ,

Teams representing 32 nations have gathered in South Africa for the 2010 FIFA World CupTM, the quadrennial football )aka soccer( tournament celebrating the world's most popular game, which begins Friday, June 11, and concludes in a month, with the championship match on Sunday, July 11. This World Cup has special significance as it will be the first time the event has been held in Africa,

Season three of the Indian Premier League )IPL( ended last week when the Chennai Super Kings beat the Mumbai Indians in the final match. That game brought to a close a fast-paced and fun season of cricket, which was available for the first time on the IPL channel on YouTube. Over the course of the season, the IPL channel racked up nearly 55 million views from 200 countries and territories around the globe, blowing away our expectations.

The forecast for the Bonnaroo Music & Arts Festival this weekend in Manchester, Tenn., is scattered thunderstorms, but you don't have to worry a stitch about that )unless you'll actually be frolicking in the 700-acre field where it takes place(. That's because starting this Friday and throughout the weekend, we'll be live streaming directly from Bonnaroo, in partnership with Superfly Productions and powered by Ford.

Over the past decade, the evolution of the Internet has altered the landscape for both traditional media companies and the doctrine of fair use, and the media industry has tried to keep up. The new ways that consumers create and distribute content are not a niche phenomenon. Hundreds of millions of people around the world now use the Web to connect and interact with content online, and a huge percentage of them go even further: they express themselves via parodies ,

Tonight, at 9.30 p.m. ET, we're teaming up with )RED( to live-stream the documentary "The Lazarus Effect" on the Join)RED( YouTube Channel . The half-hour documentary, directed by Lance Bangs and executive produced by Spike Jonze, captures a series of powerful testimonials from HIV positive patients. Many of these stories seem like miracles, but they aren't. They're made possible through access to two pills a day - two pills that cost just 40 cents.

"As seen on" surfaces videos popular elsewhere on the Web, and now it also lives on the video page. In other words, if a blog or site is responsible for driving a significant amount of a video's views, that site will be credited on the page, as so: What this means is that you can get recognition for sourcing videos that your readers love and helping those clips become popular on YouTube.

Bulletins are a great way to communicate with your subscribers on YouTube. Just go to your channel, type an update, paste a video link, and click "Post Bulletin." Your bulletin will show up on your subscribers' homepage, in their Recent Activity feed. Think of the possibilities: Want to tell your subscribers about a new musician you just discovered on YouTube? Send a bulletin that describes her music and attach her latest video.