The Ultimate ChatGPT Guide with React Native - Develop Mobile Apps - Extrapolate and Code Along for Stories Feature Imp

The video tutorial covers the design and implementation of an Instagram story feature using React Native. It begins with setting up the story feature based on a ChatGPT output, followed by coding the rendering logic for stories and profiles. The tutorial explains how to use FlatList for horizontal scrolling and concludes with a summary and preparation for the next lesson.

Explain the significance of the 'key extractor' in the context of the flat list.

What does setting the horizontal property to true accomplish in the flat list?

What is the final step mentioned in the text before testing the code?