Social Dynamics: You Are Who You're With

Food courts at large shopping malls can fill up quickly around noon on a Saturday. Let's say you would like to send an advertisement or a push offer to the 100 or so people who are eating lunch. You plan to offer a discount for a consumer electronics store, and the coupon will expire today when the mall closes. Whom would you target? Or put another way: who do you think is most likely to look at and respond to your ad?