The takeaway isn't that he could make more money from marketing directly to developers, but that sites like StackOverflow give him direct access to developers r

The takeaway isn't that he could make more money from marketing directly to developers, but that sites like StackOverflow give him direct access to developers right at the _very_ moment their pain point is at maximum velocity. Someone searching for "IP API" on StackOverflow and having his site rank in the top result(s) is the same as searching for "dresses" on Google, but without having to pay for search placement and getting 100% targeted traffic.