A trick for planting a memory, or at least a shadow of what might be a memory, in reporters’ brains — to create an illusion of familiarity.

You only have to use two letters and a punctuation mark at the beginning of an email subject line to cast this spell: "Re:". It makes it seem like it’s a continuation of an existing conversation.

Smiling makes you seem friendly and approachable. It’s good to keep this in mind when you’re face-to-face with someone you’re trying to keep on your side. 

If there’s any drawback to using this magic spell, it’s that you can rely on it a bit too much.