An attendee wears a Venezuelan flag during a rally in Caracas Friday with Juan Guaido, president of the National Assembly, who swore himself in as the leader of Venezuela. Marcelo Perez del Carpio/Bloomberg via Getty Images hide caption
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The 10-Year Challenge has gone viral on platforms like Facebook, but some worry about how the data will be used. Eric Baradat/AFP/Getty Images hide caption
In this image made from video, Rahaf Mohammed Alqunun sat barricaded in a hotel room at an international airport in Bangkok. Alqunun asked for asylum in Australia, and Thai officials said they won't deport her for now. Rahaf Mohammed Alqunun/Human Rights Watch via AP hide caption
Saudi writer and critic Jamal Khashoggi was killed inside the Saudi consulate in Istanbul, Turkey. Anadolu Agency/Getty Images hide caption
Content moderators are responsible for determining what we see and what we don't on social media. Courtesy of gebrueder beetz filmproduktion hide caption
'The Cleaners' Looks At Who Cleans Up The Internet's Toxic Content
Stars of David memorialize Jewish congregants killed at a synagogue in Pittsburgh on Saturday. Kyodo News via Getty Images hide caption
Activists protest in Mumbai to support Bollywood actress Tanushree Dutta, who has spoken out about an alleged case of sexual harassment. Women in India are naming and shaming their abusers on social media. Rafiq Maqbool/AP hide caption
California Secretary of State Alex Padilla is launching the first statewide effort to combat election-related disinformation. Justin Sullivan/Getty Images hide caption
Members of the FEMA Urban Search and Rescue Task Force 4 search a flooded neighborhood for people who may have been trapped by the rising floodwaters during now-tropical storm Florence in North Carolina. Chip Somodevilla/Getty Images hide caption
Facebook Chief Operating Officer Sheryl Sandberg and Twitter Chief Executive Officer Jack Dorsey testify during a Senate intelligence committee hearing on Sept. 5. Drew Angerer/Getty Images hide caption
Health workers form a human chain reading "SOS" during a protest for the lack of medicines, medical supplies and poor conditions in hospitals, in Caracas on Aug. 2. Federico Parra/AFP/Getty Images hide caption
The Border Security Force distributes food and water in the aftermath of the flooding in Kerala. Online volunteers helped find out what people needed to get by — and shared public health messages. Atul Loke/Getty Images hide caption
First lady Melania Trump delivers remarks during a Federal Partners in Bullying Prevention summit at the Health Resources and Service Administration Monday in Rockville, Md. Chip Somodevilla/Getty Images hide caption