Theory of Change An Essay by Aaron Swartz www.aaronsw.com A theory of change is the opposite of a theory of action — it works backwards from the goal, in concrete steps, to figure out what you can do to achieve it. To develop a theory of change, you need to start at the end and repeatedly ask yourself, “Concretely, how does one achieve that?” changegoals
Functional Prototyping. A Missed Opportunity in Web Design An Essay by Chuánqí Sun medium.com Prototyping allows engineers in various industries to “fail fast, fail cheap”, “select the best from the pool”, and “bring in the reality”. prototypessoftware