The bandwidth problem
Most commonly used for media promotion
Used for graphically demonstrating information that
is either:
a) To complex to simulate using software
b) Not applicable to software reproduction (interviews, news footage
etc)
Streamed audio not suitable for an international audience
Subtitles introduce new problems
Sound may be used to good effect:
Mood-setting
Redundancy information (additional feedback to
user)
Delivery:
On average, users will not wait longer than 15
seconds for a response from the server
Direct manipulation requires <0.1s response
Processing data: >1s for the user to feel he/she
is waiting for the computer