I used to know how applets worked really well. That knowledge isn't so useful anymore. Real estate agents have the same problem. Of course they know more than

I used to know how applets worked really well. That knowledge isn't so useful anymore. Real estate agents have the same problem. Of course they know more than I do about the process of buying a house. But knowing whether a house is worth more than asking and roughly how much over -- I can learn that specific piece of info for the houses I care about and my knowledge will be roughly equivalent.