Facebook has hired a key YouTube executive in what pundits believe could be a challenge to incumbents such as Spotify and Pandora.
You mean have three services talk to each other just like how email and other open services work?
Facebook Messenger used to work with XMPP a few years back which meant you could communicate with anyone with a Jabber compatible Messenger client. This also worked at the time with Google Chat (before Hangouts, Allo, etc.)
What a world we live in. I hope the EU somehow charge Facebook for not making their platform more open.