And if it matters after today, don't send it as an SMS, don't send it as an e-mail, don't talk about it over the phone, and if it matters that someone knows you

And if it matters after today, don't send it as an SMS, don't send it as an e-mail, don't talk about it over the phone, and if it matters that someone knows you went out to meet this or that person, don't bring your phone with you.