If you're out trick-or-treating in New York City tonight, keep this cool machine in mind! We all know that feeling when you look back at the candy you've received and are not so into it. Why not exchange it for something even better? That's the idea from Reese's with their Halloween candy converter. Check it out outside Washington Square Park on 5th Avenue between Washington Square North and East 8th Street from 4 p.m. to 9 p.m.