Of choice

The thing “of choice” is the thing that most people prefer to use in a particular situation. Facebook knows that to continue growing, it needs to be the app “of choice” among kids when they get their first phones. Facebook needs to be the preferred app among kids when they get their first phones. Penicillin is the drug “of choice” in treating that disease. This can also be applied to people in the same way. She was the employee “of choice” for her coworkers to go to for all things technology.