Your iPhone has a built-in barometer — Here's how to use it
The iPhone's barometer is easy to overlook, but it's one of several sensors working behind the scenes every day, collecting data most users haven't seen.
The iPhone's barometer is easy to overlook, but it's one of several sensors working behind the scenes every day, collecting data most users haven't seen.
This story was first published by Engadget. Read the original report