Creative Destruction: Greatest innovation of the last 40 years?

The University of Bath Research and Innovation Service have recently conducted a competition to find the greatest innovation of the last 40 years.

The internet was the clear winner polling 249 of the votes
The mobile phone
Polymerase chain reaction (DNA testing)
The CAT scanner
The fax machine
Contact lenses
The space shuttle
Prozac
= Solar panels & post modernism.