Hilltop corp. devised a wi-fi based home security system that was not very popular initially. however, in a few years, the technology was in high demand in the market. this is an example of

I believe this is an example of disruptive innovation.

A term coined by Clayton Christensen, it refers to a product which is created and placed at the lower end of the market, but then takes over the entire market in a short period of time. This is exactly what happened with Hilltop corp.'s security system.