What is HCI?
concerned with the study, design, construction and implementation of human-centric interactive computer systems.
What is interaction design?
designers focus on creating engaging web interfaces with logical and thought out behaviors and actions.
Why is interaction needed?
To use a computer easier. This aim more.
A brief history of HCI
The area of research and practice that emerged in the early 1980s, initially as a specialty area in computer science embracing cognitive science and human factors engineering.
This changed disruptively with the emergence of personal computing in the later 1970s. Personal computing, including both personal software.