WhatsApp hacks: Hide your DP, last seen from specific people

Messaging mobile application WhatsApp announced that it is rolling out new options to your privacy control settings to further protect users’ privacy online.
“The safety and security of you and your messages matter to us. We want you to know about the tools and features we’ve designed to help you stay safe while using WhatsApp,” said WhatsApp.

Privacy settings
Adjust your privacy settings to control who sees your information. You can set your last seen, profile photo, about, or status to the following options:

1. Everyone: Your last seen, profile photo, about, or status will be available to all WhatsApp users.
2. My Contacts: Your last seen, profile photo, about, or status will be available to your contacts from your address book only.
3. My Contacts Except…: Your last seen, profile photo, about, or status will be available to your contacts from your address book, except those you exclude.
4. Nobody: Your last seen, profile photo, about, or status won’t be available to anyone.