Sensors inside a phone include accelerometers to create portrait or landscape views on display screens; gyroscopes, ambient light sensors and magnetometers to help with GPS; and numerous other sensors for other functions. Credit: Intel Free Press, CC BY-NC-SA 2.0

Sensors inside a phone include accelerometers to create portrait or landscape views on display screens; gyroscopes, ambient light sensors and magnetometers to help with GPS; and numerous other sensors for other functions. Credit: Intel Free Press, CC BY-NC-SA 2.0

Sensors inside a phone include accelerometers to create portrait or landscape views on display screens; gyroscopes, ambient light sensors and magnetometers to help with GPS; and numerous other sensors for other functions. Credit: Intel Free Press, CC BY-NC-SA 2.0

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