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Re:Ask HN: How to find good beta users by slyv on Wednesday February 20, 2013 @06:36PM (#5254164)
HN is actually a great resource for this.

I would suggest expanding on your OP here with some details about the app, perhaps I might be interested :P

Re:Ask HN: How to find good beta users by svnee on Wednesday February 20, 2013 @06:45PM (#5254215)
It's an app about measuring the virality of your content in social networks. For more details you can contact me at [email protected] ;)