IDs are sequential, you can predict them with ease. For example (without editing) I can tell you my comment ID (for this comment) will be: 3743005 (edit: nope,

IDs are sequential, you can predict them with ease. For example (without editing) I can tell you my comment ID (for this comment) will be: 3743005 (edit: nope, I was 3 off, you get the point though, apparently a lot of people are commenting at the moment, ha)