Based on your assigned reading for this lesson, as well as additional suggested reading and videos, please answer the following three questions in no less 500 words (each answer). 1. How do we know who "the user" is? What are his/her characteristics? And, how do we get the dialogue started with the user? 2. When in the UX process are we interested to know who the user is? Is it early in the process, or do we simply based the UX process on our assumptions of who the user is, or do we just validate the product with the end user once it has been completed? 3. What are the most common tools used to identify and map the user and his/her interactions with the product