Playing Uno actually by the standard rules seems to make it a way simpler, more easily understandable game, whilst actually making it more strategic. The many popular variations tend to end up causing more chaos and pain for the players, especially if they can't be agreed on.
Not saying that chaos is bad or anything, though I do recommend looking through the gameplay leaflet before starting your next play session.
"Hey, thanks for coming onto the podcast today! To kick this off, we'll start with a simple question: who's the best person you've ever talked to and why is/isn't it me?"