I couldn't buy some books I want at the con, because the dealer who would have them wasn't there, so I decided I'd try looking into ordering them on line. And I'd try looking at Powell's because I hear they are less evil than Amazon. And because I'm not sure of the web site (I suspect it's probably powells.com but I don't know) so I start with Google. I enter "powells books" into my search box. And the first entry in the real search results is in fact Powell's Books, and it is powells.com, but before my Google page disappears, I can't avoid looking at the ad on the right side. Which is exhorting me to "buy powells books at Amazon, free shipping on orders over $25".