install them from the browser's add-on panel. Examples include sharing to social media, webpage translation, augmented reality, and voice control. The Application Bookmark Platform allows partner websites to put up a QR code on UC Browser for users to scan, which adds the webpage to their bookmarks. This platform was among the first in China. Download management The browser supports simultaneous downloads and includes a download manager, including pages for offline reading. It supports pausing and resuming downloads. The current version of the download manager has features designed to solve common problems while downloading, such as an intermittent internet connection and mislabeled files. The download process can continue after the app is closed, and can also automatically resume if the download is interrupted. The download manager sorts downloaded files by type and places them in respective folders. Cloud system UCWeb claims that the cloud system used by the browser tends to fetch data from the closest servers available, making the loading process quicker and smoother for users. Privacy and security Privacy Leaked NSA reports In May 2015, National Security Agency (NSA) documents leaked by whistleblower Edward Snowden indicated that UC Browser leaks sensitive data like international mobile subscriber identities, international mobile station equipment identities, MSISDN's, Android ID's, MAC addresses, and geolocation and Wi-Fi-related data without any encryption. These leaks were used by intelligence agencies to track users. The documents also revealed that the Australian Signals Directorate (ASD) had identified UC Browser as a security weak point. Its widespread use in China, India and Indonesia made it particularly attractive to ASD. The documents revealed that in cooperation with its Five Eyes partners, ASD hacked the UC Browser and infected smartphones with spyware. The ASD declined to comment in relation to the revelations. Citizen Lab report In May 2015, Citizen Lab, a laboratory based at the University of Toronto, published a report finding numerous privacy and security issues with both the English language and Chinese language editions of the Android version of UC Browser. The report criticized the transmission of personally identifiable information to various commercial analytics tools and the transmission of user search queries without encryption. They also managed to bypass the encryption of UC Browser, leading them to accuse UCWeb of using non-effective encryption systems to transmit personally identifiable subscriber data, mobile device identifiers, and user geolocation data. In May 2016, Alibaba Group provided Citizen Lab with updated versions of