What are ways that online job boards (monster, careerbuilder, etc.) could improve for job hunters? Anything to add or remove from these sites?

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What are ways that online job boards (monster, careerbuilder, etc.) could improve for job hunters? Anything to add or remove from these sites?
Sorry, ScottGem... I'm just trying to figure this out, and my account said I didn't have anything posted. I'll be more careful. Thanks.

What about craigslist.org or depending on the job in need a site like allretailjobs.com

I have a bunch of sites at home, if I don't forget I'll pose it.