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Better -- just put your email address in your 'about' section as well. If not, you are probably missing out on contact from other HNers.

Agreed. In fact, I just list all my most important contact info: LinkedIn, email, twitter, even Quora and our startup's FB page.

Heh - yep. I had a guy who had to track me down via whois on a domain name I put in a comment because I didn't have my email anywhere...