Who are you?
A simple question, but one where the answer varies greatly, based on the context of who's asking and why they want to know.
In fact, understanding how others define "who we are", is critical in virtually every aspect of our lives.
Just consider how many times you have had to 'share' your username, passport, driving licence, qualifications, credit score, employment status and other personal records to a myriad of organisations.
Then think how disruptive it can be