
In marketing terminology, a killer application (commonly shortened to killer app) is any computer program that is so necessary or desirable that it proves the core value of some larger technology, such as computer hardware, gaming console, software, a programming language, software platform, or an operating system{citation required|date=January 20...
Found on
http://en.wikipedia.org/wiki/Killer_application

A software program which is so successful that it corners the market, or inspires people to upgrade their equipment in order to be able to use it.
Found on
https://www.encyclo.co.uk/local/20134
No exact match found.