Hacker News Reader

You might want to use nofollow. Most of these sites are spammers who posted to HN to improve their pagerank, which is what you're doing if you link to them without nofollow.

Thank you. Fixed now.

Thanks, but your links are broken - you need to add "http://" before them...

got it... thanks. Fixed now.

There are many Browser addons for this. I like "Text Link" - https://addons.mozilla.org/en-US/firefox/addon/1939