Like me, you may tend to struggle with translating all of that juicy data into something tangible and to the point for your readers. If the urge to dump information about a character, his country, habits, etc. wiggles its way down to your fingers, beware o_O!
We want to write about our characters in such a way that the reader will be able to meet them and gradually get to know them. You know, like how it happens in real life.