While everyone was busy sewing up skimpy outfits for Halloween this week, the tech world continued its unstoppable march into the future. This week’s tech news made trick indistinguishable from treat, with a phone that emits food smells, a new kind of experimental pill to selectively wipe memories, and a Facebook algorithm that can predict when you and your significant other will break up. Here’s a summary of all the mind-boggling stories you might have missed while you were out on the town hustling candy in underpants and face paint.

Michael Thomsen is Complex's tech columnist. He has written for Slate, The Atlantic, The New Inquiry, n+1, Billboard, and is author of Levitate the Primate: Handjobs, Internet Dating, and Other Issues for Men. He tweets often at @mike_thomsen.