One such smart device from Red Dwarf that people might make in the future 'just because' is Talkie Toaster (Patent Pending).
It's smarter than Einstein, can answer all questions about the mysteries of the multiverse, yet it lives to feed you toasted bread products, irrespective of whether you actually want them or not. It uses every trick in the book to stuff you with toasted bread products, inducing insanity in the user in the process.
Until it's a case of sledgehammering it to death to save your sanity.