1. Technology Life Cycle Wikipedia: Most new technologies follow a similar technology maturity lifecycle describing the technological maturity of a product. This is not similar to a product life cycle, but applies to an entire technology, or a generation of a technology.

2. Kendalls Technology Life Cycle 1.Invention 2.Emergence (come forth from obscurity, not reached full potential) 3.Acceptance (established) 4.Sublime (fully appreciated) 5.Surplus

3. Kurzweils Technology Life Cycle 1.Precursor (dream or contemplation) 2.Invention 3.Development (emergence) 4.Maturity (established) 5.Pretenders (threat by upstart) 6.Obsolescence (by new technology) 7.Antiquity