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How an Automatic Vacuum Cleaner Can Save You Time and Money Automated vacuum cleaners can make a huge difference to your cleaning to-do list. They can be used in difficult-to-reach spots such as behind sofas or under beds, where dust can accumulate. Smart vacuums can map their surroundings while cleaning, using advanced sensors. Side brushes and roller brushes move the carpet fibers, allowing dirt to be sucked into suction mechanisms. Some vacuums will even self-empty themselves to avoid messy bag swaps. Ada