Nothing. For poor it might make them think for a few seconds, but its still nothing. The real issue is they can't compete with $0. Also best way WhatsApp can

Nothing. For poor it might make them think for a few seconds, but its still nothing. The real issue is they can't compete with $0. Also best way WhatsApp can work around this is to just ship their app with the phone, and bill the phone $1 * avg life of the phone.