Hacker News Reader

Fair enough. We've found it a useful way to explain the idea of following all your friends comments. There are two ways people are using it right now; following comments by the author (twitter for comments), and searching them by keywords.

ahem Kayak for Sports Tickets

This is straight out of Made to Stick. It gets people to understand what you're saying or building very very quickly. Once you're established, the word linking is no longer necessary.

They should have marketed themselves the TicketStumbler of comments, but I digress.

Youtube was originally "the flickr of video."

http://www.siliconbeat.com/entries/2005/08/14/youtube_the_fl...

I found "Google for comments" to be quite appropriate.

I think this is a useful analogy, if only because it uses the "followers" concept.