There's been a few open standards. The problem isn't that standards exist, it's that walled gardens are generally more profitable.
In fact Google Talk, Facebook Messenger and Skype were all either based upon, or supported XMPP...and now don't. Slack used to support IRC and not doesn't. There's a term often credited to Microsoft that also applies here: embrace, extend, extinguish.
In fact Google Talk, Facebook Messenger and Skype were all either based upon, or supported XMPP...and now don't. Slack used to support IRC and not doesn't. There's a term often credited to Microsoft that also applies here: embrace, extend, extinguish.