Or, the content that is popular right now (i.e. highly ranked in search results and heavily linked to) is dominated by material aimed at novices, because the re

Or, the content that is popular right now (i.e. highly ranked in search results and heavily linked to) is dominated by material aimed at novices, because the readership is dominated by novices. The issue is that the ranking stops working well for the minority of people who are in the advanced category.