Biz Stone, co-founder Twitter, Inc. , gives the keynote speech at the 140: Twitter Conference LA in Los Angeles September 22, 2009. Reuters Pictures logo Reuters Pictures 29 months ago

Biz Stone, co-founder Twitter, Inc. , gives the keynote speech at the 140: Twitter Conference LA in Los Angeles September 22, 2009.

More Photos of

Explore Photos of Related Topics

Recent Photos From The Wire

  1. DAYTONA BEACH, FL - FEBRUARY 18: Dale Earnhardt Jr., driver of the #88 Diet Mountain Dew/National Guard Chevrolet, drives in the garage area during practice for the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 18, 2012 in Daytona Beach, Florida.
  2. BERLIN, GERMANY - FEBRUARY 18: Director Miguel Gomes receives the Alfred Bauer Prize for his film 'Tabu' by jury member Francois Ozon at the Closing Ceremony during day ten of the 62nd Berlin International Film Festival at the Grand Hyatt on February 18, 2012 in Berlin, Germany.
  3. PACIFIC PALISADES, CA - FEBRUARY 18: Adam Scott and Steve Williams wait to play on the 11th green during the third round of the Northern Trust Open at the Riviera Country Club on February 18, 2012 in Pacific Palisades, California.
  4. NEW YORK, NY - FEBRUARY 18: Sir'Dominic Pointer #15 of the St. John's Red Storm reacts after he dunked an alley-op pass in the second half against the UCLA Bruins at Madison Square Garden on February 18, 2012 in New York City.
  5. NEW YORK, NY - FEBRUARY 18: D'Angelo Harrison #11 of the St. John's Red Storm reacts during the second half against the UCLA Bruins at Madison Square Garden on February 18, 2012 in New York City.
  6. DAYTONA BEACH, FL - FEBRUARY 18: Jimmie Johnson, driver of the #48 Lowe's Chevrolet, drives in the garage area during practice for the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 18, 2012 in Daytona Beach, Florida.
  7. Demonstrators hold a banner during a protest against Syria's President Bashar al-Assad, in Al Qusoor near Homs, in this picture received February 18, 2012. The banner reads, "Only One God (Allah) and Muhammad is his Prophet".
  8. Team Britain cyclist Chris Hoy celebrates winning the Men's Keirin Final at the UCI Track Cycling World Cup at the Olympic Velodrome in London February 18, 2012.
  9. British actress Gemma Arterton smiles as she waits for the start of the fashion show by designer Issa at London Fashion Week, Saturday, Feb. 18, 2012.
  10. Catania's Pablo Cesar Barrientos (unseen) celebrates with his teammates after scoring against Juventus during their Italian Serie A soccer match at Juventus stadium in Turin, February 18, 2012.
  11. NASCAR Sprint Cup Series driver Juan Pablo Montoya sits in his number 42 car before a practice session for the Daytona 500 at Daytona International Speedway in Daytona Beach, Florida February 18, 2012.
  12. Danish actor Mikkel Boe Folsgaard poses after been awarded with the Silver Bear as best actor in the movie A Royal Affair during the awarding ceremony at the 62 edition of the Berlinale, International Film Festival in Berlin Saturday, Feb. 18, 2012.
  13. Hungarian director Bence Fliegauf poses with his silver bear for the "Jury Grand Prix" for his movie Just The Wind (Csak A Szel) at the 62 edition of the Berlinale, International Film Festival in Berlin Saturday, Feb. 18, 2012.
  14. Agnieszka Radwanska of Poland returns the ball to Belarus' Victoria Azarenka during their women's singles semifinal match at the Qatar tennis open tournament in Doha, Saturday, Feb. 18, 2012.
  15. Britain's Chris Hoy competes to win gold in the men's Keirin finals during the World Cup track cycling meeting at the London 2012 Olympic Velodrome at the Olympic Park in London, Saturday, Feb. 18, 2012.
  16. Paolo, right, and Vittorio, left, Taviani react after receiving the Golden Bear for their film 'Cesar Must Die' during the Awarding Ceremony at the 62 edition of International Film Festival Berlinale, in Berlin Saturday, Feb. 18, 2012.