I believe there is still a place for single-function devices, under specific circumstances.
Device Differentiators
Jan 17, ’10
11:59 AM
A differentiator is a characteristic that, all other characteristics being equal, would cause a user to choose one device over another.
The Concept
Dec 27, ’09
9:05 PM
All devices start with an idea. It might not be much of an idea, but you have to start somewhere.