Updates:
Instagram is rolling out some changes to its Explore tab, including Stories content, new IGTV and Shop categories and an updated layout.
Instagram has announced that it's shutting down its separate 'Direct' messaging app after a year or so in circulation.
Twitter's working on a new option that would enable users to live-stream with friends, similar to the same functionality on Periscope.
Facebook has announced two new updates to its News Feed algorithm designed to highlight content from close friends, and promote better quality content from Pages.
