See Mireille Hildebrandt's "A Vision of Ambient Law" (Brownsword, R. & Yeung, K.: Regulating technologies: legal futures, regulatory frames and technological fixes)
Behaviour can be normatively influenced or determined, e.g. a speed limit is regulative of driving a car, while a marriage certificate is constitutive of being married.
Technological normativity has a tendency toward the constitutive