Around 2015 I worked with someone who used a "handle" for most things. It was their GitHub username and their "@" in Slack. I remember thinking it was interest

Around 2015 I worked with someone who used a "handle" for most things. It was their GitHub username and their "@" in Slack. I remember thinking it was interesting how I had developed something of a disconnect between "the person" and "the person's communications". It was almost (but not quite) like they were completely different identities to me.