I've had a couple people come up in one of my classes that I recognized the names from HN. Any of you who have talked at Def-Con/Black Hat/similar conferences,

I've had a couple people come up in one of my classes that I recognized the names from HN. Any of you who have talked at Def-Con/Black Hat/similar conferences, you've probably come up in some classes, and its weird to have that happen with someone you've talked to.