Trending tailors your results to you. Right now, my trending, in order, is: Parkinson's Disease: Wonman Accurately Detects Neurological Disorder Through Smell,

Trending tailors your results to you. Right now, my trending, in order, is: Parkinson's Disease: Wonman Accurately Detects Neurological Disorder Through Smell, Report Says. Deep Brain stimulation: National Geographic Channel to Broadcast Live Surgical Procedure Oct. 25 Ecstasy: Removed Facebook Post by Mississippi Police Warned of Drug in Halloween Candy. If you get crappy trending it's because facebook thinks you're interested in crappy stuff. And, in my experience, Facebook is really, really good at deciding what you're interested in. In fact, they're so good they had to add a bit of randomness to their sorting algorithm because people thought its accuracy was creepy.