Believe it or not, there have been a lot of advances made in the world of toilets over the years. Sure, you may not have noticed much of a difference, as long as it’s serving its major function. But there have been changes in toilet technology that have happened right in front of your eyes. Sure, styles have changed. You may remember some toilets from back in the day that were a lovely assortment of ’70s colors: green, gold, blue, pink, etc. And the look just wasn’t complete without a decorative toilet seat cover. But in addition to being, quite…