If you're going to use fake accounts you just created to comment and upvote your submission (12 points in 7 minutes, and each commenter's account has 1 karma), don't make it painfully obvious.
We are presenting our app at an event. People here are helping us out to showcase it to hackernews. And obviously most of the people here are new to hackernews.
I'm afraid it has the same effect. Anyone is welcome to join Hacker News. But when a group of people do it all at once, just to promote one product, that's not ok.
