Multi-line chat in BBS&#x27;s in the 1980s used slash-commands such as these in chat apps...I&#x27;m sure I&#x27;m not the only one here old enough to remember those.<p>Sigh...like so many other things, what is old is new again.<p>Forcing people used to touch interaction with their phones to grok command line UX seems more like wishful thinking then the Next Thing.