Why do we say that cognitive psychology is a study of the mind?

Who were the theorists that laid the foundation for a paradigm shift in mental processing and what did they contribute. (Select 3 to introduce)

What technological advancement pushed the field of cognitive psychology in the direction we are going today and what consequence of that push will the field be dealing with in the future.

The last two questions are vague as this is a research assignment so I am curious what you come up with as you are conducting your research.