Why should you care?
Web Design
User Interface
vs
User Experience
UI vs UX
UI is the saddle, the stirrups, and the reins.
UX is the feeling you get being able to ride the horse, and rope your cattle.
User Interface
comes under
permament rules
and
changables trends
Merging similar functions
KISS - Keep It Simple Stupid
User Experience
Think about your users
Be nice for them
Make them happy while using your product