OP's account was made an hour ago and comments from it are suspiciously fast (and unnecessarily verbose).
https://news.ycombinator.com/threads?id=echend
This is an obvious scam, I don't know why I wasted this time double checking.
Makes me sad that this it the top HN post. Also got me thinking if the technique is so effective here (among more-than-average-scam aware community), I don't want to imagine the success rate on other social media.