The act of taking a picture with your phone and then immediately posting it to a social networking site or sites without the subjects knowledge.
John: We're you at that rager last night?
Steve: Yes, and that dick Tommy took a photo of me groping a stripper with his phone and posted it to facebook, a real act of social espionage...needless to say my wife put my dick back on the mantle.
To bring a friend or family member on a date to sit there and spy on you while you're on the date without either one of you acknowledging that you knowthe other.
My sister was on an espionage date with me while I met up with my blind date so we can analyze it later.