Technology Consumption

General rules of thumb:
A piece of consumer technology being introduced with a strong marketing push that has wide utility and appeal will take at least five years to adopt in to the mainstream if the current infrastructure supports it.

A piece of consumer technology being introduced with a strong marketing push that has wide utility and appeal will take at least 10 years to adopt in to the mainstream if the current infrastructure does not support it.

A piece of experimental technology being introduced that has wide utility and appeal will take at least 20 or more years to adopt in to the consumer level early adopters and closer to 25 years for it to reach mainstream prominence.