I'm sure you can tell the difference between how people interact on HN and Facebook. Obviously there's some small degree of ego in effect with how people intera

I'm sure you can tell the difference between how people interact on HN and Facebook. Obviously there's some small degree of ego in effect with how people interact on HN, but it's vastly different to 'profile-based' social media. Among other differences, we're here discussing a topic, not just projecting ourselves at each-other.