Mayor Edwin Lee And Twitter Co-Founder Jack Dorsey Hold A Press Conference


San Francisco Mayor Edward 'Ed' Lee, center, speaks as Jack Dorsey,... News PhotoCalifornia,Chairperson,Ed Lee - Politician,Finance,Founder,Government,Horizontal,Jack Dorsey,Listening,Meeting,Michael Bloomberg,New York City,North America,Online Messaging,Politics,Press Conference,San Francisco - California,Social Networking,Summit,Talking,Technology,The Americas,The Internet,Twitter,USAPhotographer Collection: Bloomberg 2013 BloombergSan Francisco Mayor Edward 'Ed' Lee, center, speaks as Jack Dorsey, chairman and co-founder of Twitter Inc., left, and New York City Mayor Michael 'Mike' Bloomberg listen during a press conference in San Francisco, California, U.S., on Friday, June 14, 2013. Dorsey, Mayor Bloomberg and Mayor Lee announced today that they will co-host the second annual Bloomberg Technology Summit to be held in New York on September 30. Photographer: David Paul Morris/Bloomberg via Getty Images