On November last year, Facebook killed Messenger Day and consolidated it with Facebook as Stories, the 24-hour ephemeral posts in either Facebook or Messenger appeared in both apps synced with each other. And after a while Instagram rolled out a “cross-post to Facebook Stories” feature that populated to Messenger too, though there was no current plan to allow Facebook Stories to be pushed to Instagram. Now Facebook is looking at how to bring WhatsApp into the fold. Facebook could soon offer users an option to post the same Story to three networks that are all owned by the tech giant. Instagram recently confirmed the testing of a tool to cross-post Stories as a WhatsApp status. After users in Brazil spotted the new option, Instagram confirmed to Tech Crunch that the feature is currently in testing. Like the option to post an Instagram Story to Facebook Stories, the tested tool would allow Stories to also post to WhatsApp, where they would live as a status. While...