If I bookmarked a story, getting notifications when there was an update or correction would be nice. I'm doubtful it would be used for something as valuable as

If I bookmarked a story, getting notifications when there was an update or correction would be nice. I'm doubtful it would be used for something as valuable as that, and marketers always seem to send out an order of magnitude more emails than my interest level. (If you're writing an email client, you should add a "delete X% of emails from this address" feature.)