BEVERLY HILLS, CA - MAY 24: Technology correspondent Laurie Segall (L) and technology producer Erica Fink attend the 41st Annual Gracie Awards at Regent Beverly Wilshire Hotel on May 24, 2016 in Beverly Hills, California. (Photo by Tommaso Boddi/Getty Images for Alliance for Women in Media)

BEVERLY HILLS, CA - MAY 24: Technology correspondent Laurie Segall (L) and technology producer Erica Fink attend the 41st Annual Gracie Awards at Regent Beverly Wilshire Hotel on May 24, 2016 in Beverly Hills, California. (Photo by Tommaso Boddi/Getty Images for Alliance for Women in Media)

WASHINGTON, DC - MAY 24: Code Pink for Peace activist Medea Benjamin (C) talks with Washington Institute for Near East Policy's Gulf and Energy Policy Program Director Simon Henderson (L) and Harvard University's Belfer Center for Science and International Affairs Senior Fellow Karen Elliot House before a hearing of the House Foreign Affairs Committee's Terrorism, Nonproliferation, and Trade Subcommittee about U.S.-Saudi Arabia counterterrorism relationship in the Rayburn House Office Building on Capitol Hill May 24, 2016 in Washington, DC. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MAY 24: (L-R) Former congressman and 9/11 Commissioner Tim Roemer (D-IN), Washington Institute for Near East Policy's Gulf and Energy Policy Program Director Simon Henderson, Harvard University's Belfer Center for Science and International Affairs Senior Fellow Karen Elliot House and Georgetown University's Edmund A. Walsh School of Foreign Service Professor Daniel Byman testify before the House Foreign Affairs Committee's Terrorism, Nonproliferation, and Trade Subcommittee holds a hearing on the U.S.-Saudi Arabia counterterrorism relationship in the Rayburn House Office Building on Capitol Hill May 24, 2016 in Washington, DC. All of the witnesses said they support the declassification of 28 pages of a 838-page congressional report on the 9/11 attacks but warn caution in passing a bill exposing Saudi Arabia to 9/11 legal claims. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MAY 24: (L-R) Former congressman and 9/11 Commissioner Tim Roemer (D-IN), Washington Institute for Near East Policy's Gulf and Energy Policy Program Director Simon Henderson, Harvard University's Belfer Center for Science and International Affairs Senior Fellow Karen Elliot House and Georgetown University's Edmund A. Walsh School of Foreign Service Professor Daniel Byman testify before the House Foreign Affairs Committee's Terrorism, Nonproliferation, and Trade Subcommittee holds a hearing on the U.S.-Saudi Arabia counterterrorism relationship in the Rayburn House Office Building on Capitol Hill May 24, 2016 in Washington, DC. All of the witnesses said they support the declassification of 28 pages of a 838-page congressional report on the 9/11 attacks but warn caution in passing a bill exposing Saudi Arabia to 9/11 legal claims. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MAY 24: (L-R) Former congressman and 9/11 Commissioner Tim Roemer (D-IN), Washington Institute for Near East Policy's Gulf and Energy Policy Program Director Simon Henderson, Harvard University's Belfer Center for Science and International Affairs Senior Fellow Karen Elliot House and Georgetown University's Edmund A. Walsh School of Foreign Service Professor Daniel Byman testify before the House Foreign Affairs Committee's Terrorism, Nonproliferation, and Trade Subcommittee holds a hearing on the U.S.-Saudi Arabia counterterrorism relationship in the Rayburn House Office Building on Capitol Hill May 24, 2016 in Washington, DC. All of the witnesses said they support the declassification of 28 pages of a 838-page congressional report on the 9/11 attacks but warn caution in passing a bill exposing Saudi Arabia to 9/11 legal claims. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MAY 24: Harvard University's Belfer Center for Science and International Affairs Senior Fellow Karen Elliot House testifies before the House Foreign Affairs Committee's Terrorism, Nonproliferation, and Trade Subcommittee holds a hearing on the U.S.-Saudi Arabia counterterrorism relationship in the Rayburn House Office Building on Capitol Hill May 24, 2016 in Washington, DC. House and all of her fellow witnesses said they support the declassification of 28 pages of a 838-page congressional report on the 9/11 attacks but warn caution in passing a bill exposing Saudi Arabia to 9/11 legal claims. (Photo by Chip Somodevilla/Getty Images)

(FILES) This file photo taken on September 11, 2013 shows the logo of social networking website 'Twitter' is displayed on a computer screen in London. Twitter announced May 24, 2016 it was easing its 140-character limit for tweets, allowing users to add links, attachments and some other features within the short messages. The move comes as Twitter's efforts to increase its user base and engagement have been sputtering, raising questions about its growth trend. / AFP PHOTO / LEON NEALLEON NEAL/AFP/Getty Images