M3 and A5 Ÿe consumer is his digital device. If you buy into this, then you get what machineto-machine marketing (M3) and anonymous advertising apps anywhere anytime (A5) are about. Marketing to machines is easier than marketing to humans: devices do not evolve or change, do not divorce, do not go on unemployment, or do not ™le for bankruptcy. Machines are stationary targets to M3 marketers and A5 programs.