PART - 1 DIRECT MANIPULATION PRINCIPLES
Three Major Principles of Direct Manipulation
Advantages of Direct Manipulation
Potential Problems of Direct Manipulation
PART - 2 MULTI-TOUCH INTERACTION
Two Hardware Technologies which detect multi-finger action
Microsoft Surface and Microsoft Touch wall are some of the two hardware technologies which detect multi-finger action.
MICROSOFT SURFACE MICROSOFT TOUCH WALL
Microsoft Surface Mechanism:
Pros:
Cons:
Microsoft Touch Wall Mechanism:
Pros:
Cons:
General Advantage of multi-touch Interaction
Potential problems of using multi-touch Interaction
PART - 3 SURVEY
Multi-touch Interaction Supported in the user interface of iPhone
Discussion
Pros
Cons
Limitation & Drawbacks