17. The at least one non-transitory computer-readable storage medium of claim 16 , the messaging system comprising one of a text-messaging system, an instant-messaging system, or a social-networking messaging system.
16. The at least one non-transitory computer-readable storage medium of claim 14 , the image transmitted to the client device via the messaging system as an image attachment and the text command received from the client device via the messaging system as a message.