- Stack Overflow is a programmer talent community with over 33 million monthly active users and 620 million monthly page views, with 75% of traffic coming from outside the US. - There is no consensus on standard terminology for software development roles, with titles like programmer, coder, developer, and engineer often used interchangeably. - Evaluating candidates based only on keywords and technologies mentioned in their resume captures only about 12-25% of their full qualifications, as most competencies are implied through context and experience.