Sure, if you want to get fancy you can always do something fancier. But in many apps, your server-side IDs are auto-incrementing MySQL or Postgres ids, or even

Sure, if you want to get fancy you can always do something fancier. But in many apps, your server-side IDs are auto-incrementing MySQL or Postgres ids, or even a Flickr-style ticketing ID server. You really don't want your DB to be worrying about what are essentially transient JS/HTML references.