The company is saying that it is going to share with Facebook only the phone number of the user and no other data, because it doesn't have that data. In the world where a smartphone, which has a phone number connected to a WhatsApp account, is at the centre of our lives, the phone number is the key that unlocks everything. Also Read: Yes or no, WhatsApp will share your phone number with FacebookNow imagine that Facebook, being a parent company and all, wants to create profiles of WhatsApp users. The second method is to just connect the WhatsApp number to a Facebook or smartphone user. When you have two apps installed on your phone -- Whatsapp and Facebook, you are already giving a lot of data to Facebook.

Source: India Today September 15, 2016 08:48 UTC