On the internet, however, an exposure can also be tied to an action by a consumer, and these actions can be counted, tracked and analysed in ways that exposure in the established mass media cannot.

Since those triggered actions are typically one or more insert, UPDATE, or DELETE statements, the overhead of triggers can be substantial in a mass insert operation.

General Cone said that Ms Munley’s actions demonstated that an aggressive response to a mass-shooting can save lives.