Good software starts and ends with the people who are using it. Concrete technologies, software architecture and design, algorithms, cryptography etc. are all

Good software starts and ends with the people who are using it. Concrete technologies, software architecture and design, algorithms, cryptography etc. are all means to an end. Start with what you want to achieve, what real world problem you want to solve and the people you want to solve it for. And then work backwards from there.