Dear HN: Please don't start a response with the word "wrong."
https://news.ycombinator.com/item?id=6499425Example: Dave: The sky is green. Bob: Wrong. The sky is blue.
It just makes you look like an asshole. Be more tactful and civil in your discussions. I promise you people will respond more favorably if you don't come out the gate blaring a buzzer like a game-show host.