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In this photo released by American Lung Association, a sheet of new Christmas Seals is shown in New York, Thursday, Nov. 19, 2009. Emily Bissell, started selling Seals in 1907 to help fight the battle against tuberculosis with a design she created. The American Lung Association is helping fight lung disease and advocate for clean air. It has also launched e-cards in an appeal to younger audiences depicting it's entire archive of designs and offers a Facebook application as well.

In this photo released by American Lung Association, actress Mary Duffy portrays Emily Bissell, founder of the Christmas Seals campaign, as she hands out samples Christmas Seals to mail carrier Steve Revell in front of the James A. Farley Post Office in New York, Thursday, Nov. 19, 2009. Helping to fight lung disease and advocate for clean air, the American Lung Association has launched e-cards and a Facebook application in an appeal to younger audiences depicting it's entire archive of designs as far back as 1907.

In this photo released by American Lung Association, actress Mary Duffy, portrays Emily Bissell, founder of the Christmas Seals campaign, as she hands out samples of Christmas Seals in front of the James A. Farley Post Office in New York, Thursday, Nov. 19, 2009. Helping to fight lung disease and advocate for clean air, the American Lung Association has also launched e-cards and a Facebook application in an appeal to younger audiences depicting it's entire archive of designs as far back as 1907.

View of the Oxford American College dictionary taken in Washington on November 16, 2009. The New Oxford American Dictionary named 'unfriend' -- as in deleting someone as a friend on a social network such as Facebook -- its word of the year on Monday. Oxford University Press USA, in a blog post, said 'unfriend,' a verb, had bested netbook, sexting, paywall, birther and death panel for the honor.'Unfriend has real lex-appeal,' said Christine Lindberg, senior lexicographer for Oxford�s US dictionary program.

Directed Electronics is giving away one Viper SmartStart every two weeks on Facebook. Visit www.viper.com/smartstart and click on the Facebook link for details.

A picture taken on November 8, 2009 in Paris shows an image from the 'Facebook' page of French President Nicolas Sarkozy, called 'Memories of the fall of the Berlin wall, on November 9, 1989.' The photo shows Sarkozy (C), then deputy general secretary of the rightist RPR party, in front of the Berlin wall, the day it came down.

A picture taken on November 8, 2009 in Paris shows an image from the 'Facebook' page of French President Nicolas Sarkozy, called 'Memories of the fall of the Berlin wall, on November 9, 1989.' The photo shows Sarkozy (C), then deputy general secretary of the rightist RPR party, in front of the Berlin wall, the day it came down.

A picture taken on November 8, 2009 in Paris shows an image from the 'Facebook' page of French President Nicolas Sarkozy, called 'Memories of the fall of the Berlin wall, on November 9, 1989.' The photo shows Sarkozy, then deputy general secretary of the rightist RPR party, in front of the Berlin wall, the day it came down.

In this photo taken by Feature Photo Service: Billy Ray Cyrus, musician and actor, swaps sandwiches with Zachary Plastina, 10, left and his mother Carolyn McKelvy, winners of the eBay charity auction presented by Hellmann's(r), at the Mullet Festival in Niceville, Florida. The eBay charity auction, supporting Feeding America(r), was part of Hellmann's(r) virtual Sandwich Swap 'n' Share program (Facebook.com/hellmanns), during which Hellmann's(r)donated 700,000 lunches to Feeding America(r).

This image provided by MySpace shows a Facebook page featuring a video by singer Ashley Tisdale. Social-networking site MySpace is using its joint venture with recording companies to launch a music video service that will pop into millions of profiles at rival Facebook as well. Starting Wednesday Oct. 21, 2009, music videos that MySpace has licensed for its site will run as well on the iLike music recommendation application, which the News Corp. unit acquired for $20 million.

Alex Lifschitz, of Los Angeles tweets from his on-campus apartment at the Rochester Institute of Technology in Henrietta, N.Y. on Wednesday, Oct. 21, 2009. Lifschitz, in his third year at the Rochester Institute of Technology uses Twitter as a tight-knit circle, keeping his contacts more limited than on Facebook. Using his cell phone or laptop, he tweets to let professors know he can't make it to class or to ask questions about assignments. He also uses it for something as basic as organizing a food run with friends on campus. "I can simply tweet and ask who wants to go somewhere with me, and I'll have a few takers at any given time," he says.

Alex Lifschitz, of Los Angeles tweets from his on-campus apartment at the Rochester Institute of Technology in Henrietta, N.Y. on Wednesday, Oct. 21, 2009. Lifschitz, in his third year at the Rochester Institute of Technology uses Twitter as a tight-knit circle, keeping his contacts more limited than on Facebook. Using his cell phone or laptop, he tweets to let professors know he can't make it to class or to ask questions about assignments. He also uses it for something as basic as organizing a food run with friends on campus. "I can simply tweet and ask who wants to go somewhere with me, and I'll have a few takers at any given time," he says.

In this photo taken Tuesday, Oct. 20, 2009, horse trainer Karen Murdock plays with her horse, Lukas, in Walnut, Calif. Lukas, a 16-year-old, 1,200-pound Thoroughbred gelding, and Murdock have been together for six years. The horse has a Web site, is a star on Facebook, YouTube and Twitter and has been on TV. He and Murdock get up to 200 e-mails a day.

A woman checks a Facebook page for the former Nazi death camp of Auschwitz, for the Auschwitz Museum, in Warsaw, Poland, Oct. 15, 2009. The Auschwitz museum has launched a page on the Internet based Facebook site, in the hope of reaching young people, offering information but also an opportunity for discussion with the participation of the museum staff.

Biz Stone, a co-founder and creative director of Twitter, Inc., smiles with a Star Wars Stormtrooper during a special event to launch a Japan-based mobile version of the popular microblogging service in Tokyo, Japan, Thursday, Oct. 15, 2009. Twitter launched its Japanese mobile site, hoping to penetrate a country where other U.S. social networking sites, including Facebook and MySpace, have failed to capture much ground.

One of Japanese participants to Twitter, Inc.'s special event to launch a Japan-based mobile version of the popular microblogging service shows the Twitter page asking "what are you doing?" in Japanese on the mobile phone in Tokyo, Japan, Thursday, Oct. 15, 2009. Twitter launched its Japanese mobile site, hoping to penetrate a country where other U.S. social networking sites, including Facebook and MySpace, have failed to capture much ground.

Biz Stone, right, a co-founder and creative director of Twitter, Inc., speaks to reporters during a special event to launch a Japan-based mobile version of the popular microblogging service in Tokyo, Japan, Thursday, Oct. 15, 2009. Twitter launched its Japanese mobile site, hoping to penetrate a country where other U.S. social networking sites, including Facebook and MySpace, have failed to capture much ground.

Biz Stone, a co-founder and creative director of Twitter, Inc., speaks at a special event to launch a Japan-based mobile version of the popular microblogging service in Tokyo, Japan, Thursday, Oct. 15, 2009. Twitter launched its Japanese mobile site, hoping to penetrate a country where other U.S. social networking sites, including Facebook and MySpace, have failed to capture much ground.

Assistant U.S. Attorney Michael Scoville displays part of the Facebook page, and an enlarged profile photo, of fugitive Maxi Sopo Tuesday, Oct. 13, 2009, in Seattle. Sopo is currently in a Mexico City jail awaiting extradition to the U.S. He was arrested while living as a fugitive in Mexico after he added a former Department of Justice official to his friend list on the social networking website Facebook.com.

In this undated photo provided by the Seattle U.S. Attorney's office, Maxi Sopo, who is accused of being part of a bank-fraud ring in Seattle, is shown. Sopo is currently in a Mexico City jail awaiting extradition to the U.S. He was arrested while living as a fugitive in Mexico after he added a former Department of Justice official to his friend list on the social networking website Facebook.com.