You can. I had to do this because my GitHub username (like my HN one) is just my...

		rob on Jan 29, 2014 \| parent \| context \| favorite \| on: Redesigned Conversations You can. I had to do this because my GitHub username (like my HN one) is just my name ("rob") and I was getting notifications from people using @rob in their comments/replies instead of the person's actual GitHub username. :)