tl;dr:Knowledge sharing lacks in remote teams. Eric outlines strategies used to counter this at Buffer, including Snackchats - recored, short talks about "any topics," i.e. code, architecture, management. Knowledge sharing is built into the career development ladder.
tl;dr:Benefits are (1) work on something you care about (2) make money on the side (3) potential for a full-time business 💼 (3) improve skills (4) easier to find jobs (5) learn about yourself.