Did you know that the world’s first vacuum cleaner was operated by a handcrank? It’s true! It was invented in 1866 by Ives. W. McGaffney. Our household appliances have come a long way since then, but cleaning your house can still be difficult and time-consuming. It doesn’t have to be, though! Forget about having to drag out your heavy vacuum cleaner and tripping over the vacuum’s long cord. Robotic vacuums in brands such as iRobot Roomba, Samsung, and Neato make cleaning easy by doing the work for you. You’ve probably seen robotic vacuums before–on sitcoms holding mp3 players or in…