Either you people don't know what iMessage is or you have strange way of defining usage. >more than 70% of the possible iPhone population doesn't use iMessage.

Either you people don't know what iMessage is or you have strange way of defining usage. >more than 70% of the possible iPhone population doesn't use iMessage. Based on? Are they not receiving SMS messages at all? >The rest of the world doesn't have the SMS problem that the US has. So why are they using Whatsapp?