Most of the four learning stages - unconscious incompetence, conscious incompetence, conscious competence and unconscious competence - are bridged by acquiring experience. But the gap between unconscious incompetence to conscious competence is where the most discomfort and discouragement occurs.
Helping new developers bridge the void ensures a vibrant, accessible community, and having visible members/mentors in each stage encourages newcomers' learning. This talk illustrates (literally!) how to help new colleagues build this bridge and prevent losing them in the what-do-I-even-Google abyss.