How to Scale a Community?

As a community grows, the utility grows as well. But there's also a sense of dilution at times if the community grows to be too large. How do we both gain the benefits of a really large community? And i'll give an example of that. When you have a channel, for example, asks n answers. This is a channel for people who have asks and they're looking for answers. It's pretty simple when you have a hundred people in a communityte that somebody is an answer to your question,. At a thousand people, it's ten times the odds that somebody knows the answer. Ad there's many examples of why, as a community growing, there's so many