If you haven’t already given Zynga your email you will receive a pop up to join the “Explorer’s Club”. If you still don’t want to give Zynga your email just click on the “Allow Email” button then on the next pop up click on “Don’t Allow”. You will have to do this every time you play the game.

Zynga wants you to share your email with them so you can be part of the “Explorer’s Club.”

[As part] of the Explorer’s Club [you will get] gaming updates, awesome hook ups, and be the first to know when new maps, new items, new lost animals, and new contests arrive. Be a part of the club. Sign up with your email to get hooked up.

I want to invite you to join my explorer's club!