Facebook has built a tool for geographically censoring posts at the leading social network as it seeks a path back into China, The New York Times reports.
Google said Wednesday that data requests from governments around the world hit a record high in the six months ending in June, extending a steady rise.
Government requests to Google for user data hit a record high in the second half of 2015, the online giant said.
Snapchat, the social network for users who like the security of disappearing messages, released its first transparency report Thursday showing hundreds of requests from US and foreign law enforcement agencies.
Microsoft said Friday the number of global law enforcement requests for user data fell in 2014 as the tech giant renewed its call for surveillance reforms.
Twitter said Monday it saw a 40 percent jump in government request for user data in late 2014, with sharp rises coming from both Turkey and Russia.
Reddit on Thursday issued its first transparency report, revealing numbers of requests for user data and bids to have content removed from the online messaging board.
Chinese access to Google Inc.'s email service has been blocked amid government efforts to limit or possibly ban access to the U.S. company's services, which are popular among Chinese seeking to avoid government monitoring.
Twitter is suing the FBI and the Department of Justice to be able to release more information about government surveillance of its users.
US telecom giant Verizon said Tuesday it received nearly 150,000 requests for customer data from US law enforcement agencies in the first half of 2014.