Google on Tuesday unveiled the latest updates to its Android operating system at its big I/O developers conference. The event, which took place in Google's hometown of Mountain View, California, serves as a means for the company to provide developers and fans with a closer look at what it's been working on for the past year.

Android is the world's most popular operating system, running on smartphones ranging from manufacturers like Samsung to Huawei and everything in between. So any changes to the OS will impact billions of users around the world.

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