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How would you tackle the challenge of creating a photo sharing app that can scale rapidly to meet the demands of a rapidly expanding user base?

What are the steps to convert a JSON file into a Dictionary type?

Outline the structural plan for a messaging application on iOS.

Design a calendar app which can scale to millions of users

Outline the iOS memory management lifecycle.

How does synchronous and asynchronous programming differ in iOS?

Examine the spectrum of options when it comes to implementing asynchronous method calls in iOS. Scrutinize the significance of completion handlers, delve into the practicality of async/await, and shed light on other noteworthy techniques utilized for handling asynchronous tasks.

Design a clock and reminder app for iOS

Could you elaborate on the threading mechanisms available in iOS development?

Elaborate on the advantages of using the MVVM pattern in iOS development.