There was one, but FB bought it ... WhatsApp (Now FB is using Whatsapp use all phone contacts in your address book stored and use that info to show your friends

There was one, but FB bought it ... WhatsApp (Now FB is using Whatsapp use all phone contacts in your address book stored and use that info to show your friends/people to connect with on FB... FB kept saying to connect with our local XYZ service provider :) as somehow his number was stored in my phone. )