Say you're looking for the email of James Smith, and you think it's one of jsmith@gmail.com, james.smith@gmail.com, jamesmith@gmail.com. If you type all these

Say you're looking for the email of James Smith, and you think it's one of jsmith@gmail.com, james.smith@gmail.com, jamesmith@gmail.com. If you type all these when composing an email, one of them will pull up a bunch of their social networks attached to that email, while the others will do nothing. That's how you can quickly figure out someone's email by guessing + Rapportive.