First things first. What is IDFA? IDFA stands for Identifier for Advertisers. Traditionally IDFA was available by default to app developers and it was used to uniquely identify a device, hence being able to provide personalized ads.

It seems that in iOS 14 the users will now be prompted to allow sharing their IDFA with an app (like in the screenshot below).

Automation of marketing and sales operations can be considered the ace up the sleeve for a business that wants to start a real digital transformation.