By the power of Defaults

What is the default and where does it get its power?

A few suggestions.

Imagine designing a ticket inquiry/purchase form like this example. If you have the location information of your user, you can bring the closest airport to him by default.

Default Settings

As a result;

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Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store