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  Best Smart Light Bulbs for 2020 What Do Smart Light Bulbs Do? Light bulbs have grown exponentially smarter in recent years. You can now replace your standard incandescent bulb with a variety of connected solutions you can control with just a few taps on your smartphone or tablet. Some also connect with smartwatches and fitness trackers, so they can be controlled from your wrist. But with so many options flooding the  smart home  market, which one is right for you? We've rounded up our highest-rated smart bulbs, along with some points to consider while shopping, to help you decide. How Much Do Smart Bulbs Cost? Smart bulbs use light-emitting diodes (LEDs) and a variety of technologies to work, so they are more expensive than traditional bulbs. That's important to keep in mind, especially if you want to upgrade your entire house. But smart bulbs also use less energy and last a lot longer—meaning you can save money in the long run. And as you can see, most of the options o...