Your iPhone’s invisible dots

When you set up your iPhone, invisible dots create a detailed map of your face so you can open your phone just by looking at it. How many dots are used to map a face? Is it … A.) 7,500, B.) 18,000, C.) 30,000 or D.) 50,000?

The answer: C.) 30,000. Each scan completed in milliseconds converts your facial dot pattern into a mathematical model. This lets you open your phone with sunglasses. Pretty amazing, right?

Tags: Apple, Apple iPhone, facial recognition, invisible dots