Via Jay Lake:

If you read this, if your eyes are passing over this right now, (even if we don't speak often) please post a comment with a COMPLETELY MADE UP AND FICTIONAL memory of you and me. It can be anything you want - good or bad - BUT IT HAS TO BE FAKE.

When you're finished, post this little paragraph on your blog and be surprised (or mortified) about what people DON'T ACTUALLY remember about you.