https://apnews.com/37fb3d7e80615c3e19648636401796b3 > LAS VEGAS (AP) — From a litter box that automatically cleans itself to buttons designed to allow your dog to communicate with you, this year’s CES tech show in Las Vegas featured a range of products aimed at gadget-loving pet owners. > Big and small companies representing everything from the food to the automobile industries put their latest products on display at the show, which wrapped up Sunday.