Apparently, they can be. Check out this user's profile: http://news.ycombinator.... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		rayvega on Feb 13, 2009 \| parent \| context \| favorite \| on: Ask HN: Do You Twitter? Apparently, they can be. Check out this user's profile: http://news.ycombinator.com/user?id=cstejerean

ejs on Feb 13, 2009 [–]

This is only because the links where put there before pg changed the rules to not allow them... it is just an artifact of a profile that has not been changed recently.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact