I'm talking about sites like craigslist and jobs.perl.com, and I'm aware recruiters put in all kinds of filters like a CS degree but I'm mindfull of that and I

I'm talking about sites like craigslist and jobs.perl.com, and I'm aware recruiters put in all kinds of filters like a CS degree but I'm mindfull of that and I notice that the same problem exists without recruiters involved. Stackoverflow careers? Seriously? "34 jobs found near boston". How many candidates are looking at these listings? Thousands?