I significantly edited the blog post & submitted it again. I hope this doesn't make me look like a spammer. The option to delete ones submissions seems to be gone.. ?
I haven't spent much on advertising (which is sort of ironic as my biggest company is an ad exchange). Advertising works great when you're selling something at a fixed cost (like an e-commerce site or Groupon site), but isn't great when it's hard to calculate how much a user is "worth."