Amazon and eBay have systems going back to 1995 to support; they also expose prettified URLs that redirect to Google. They know they have a (slight) problem th

Amazon and eBay have systems going back to 1995 to support; they also expose prettified URLs that redirect to Google. They know they have a (slight) problem there, but they do the best they can with what they've got. As for Facebook, I've always thought they were pretty human-readable.