1. Substitution: the computer stands in for another technological tool without a significant change in the tool’s function.
2. Augmentation: the computer replaces another technological tool, with significant functionality increase.
3. Modification: the computer enables the redesign of significant portions of a task.
4. Redefinition: the computer allows for the creation of new tasks that would otherwise be inconceivable without the technology.
Some more examples of what the SMAR model looks like can be found at One Thing I’ve Learned.