For family >> Text Message (iMessage), What's App, FB Messenger For friends >> What's App (generally) and Text Message (not iMessage) For work >> Text Mess

For family >> Text Message (iMessage), What's App, FB Messenger For friends >> What's App (generally) and Text Message (not iMessage) For work >> Text Message and primarily Skype [Our CEO read an article which stated Zuckerberg favours Skype at work due to less distraction