Are there inventions that can end our loneliness?  Through the centuries, inventors have found new ways to innovate and design devices that are meant to advance our lives. But sometimes these inventions, in moving us forward actually end up making us feel more alone.   From the telescope to the ostrich pillow, Playboy centrefolds and interactive posters that kiss you back, these are our picks for some of the loneliest inventions. See acast.com/privacy for privacy and opt-out information.