Augmented reality (AR) is a technology that overlays digital information on a user's view of the real world. This can be done through a variety of devices, including smartphones, tablets, and headsets.

AR has been used in a variety of applications, including:

* Gaming: AR games allow users to interact with digital objects in the real world. For example, the popular game Pokémon GO allows users to catch virtual Pokémon in real-world locations.

* Education: AR can be used to create interactive learning experiences. For example, students can use AR to explore historical sites or to learn about the solar system.

* Healthcare: AR can be used to provide patients with information about their medical conditions. For example, AR can be used to show patients 3D models of their organs or to provide instructions on how to take medication.

* Retail: AR can be used to create interactive shopping experiences. For example, customers can use AR to virtually try on clothes or to see how furniture would look in their homes.

AR is still a relatively new technology, but it has the potential to revolutionize the way we interact with the world around us. As AR technology continues to develop, we can expect to see even more innovative and groundbreaking applications for this technology in the years to come.

Here is a video that provides a more detailed explanation of augmented reality:

[YouTube video: "What is Augmented Reality?"](https://www.youtube.com/watch?v=O5_I55-J10Y)