¡Approach
with scientific skepticism
¡Examine
the assumptions. Are they:
lRely
on any uncertain trends?
lReasonable?
¡e.g., “Let’s assume that there are billions of powerful computers, connected by a high speed network, spread across the world, our system will …”
¡e.g., “Our system
functions in real-time on a 33Mhz
Intel 386 with 640K main memory running
Windows 98”