Facebook's live videos can now be twice as long

Facebook is making more improvements to its live broadcasts.
The company's livestreaming platform, Facebook Live, will now support fullscreen broadcasts as well as a new "video-only" mode that hides comments and reactions while you watch. Facebook will also allow broadcasts to last up to four hours — double the two-hour limit it previously had. 
SEE ALSO: 10 Facebook Live stars you need to follow now
All of the changes are starting to roll out now, though it may take a few weeks befo