If you run a contest as a startup, don't be dishonest. JPEGmini scammed me.
They had a contest, you didn't win, he-said she-said and you post it to HN.  I'm sorry you didn't win but I don't really see what the point of this post is- shaming this company for... what?  Giving away a camera?  Without more solid proof you should withdraw your accusations.  How do I know you didn't tweet more than once?More importantly, how did they "scam" you?  Did you lose money in this transaction?Shame on the HN community for piling on this company (which I've never heard of) based on such scant evidence.