A system includes a cloud computing system. The nucleation problem free, relatively smooth ruthenium ALD film is deposited by the use of plasma-enhanced ALD of ruthenium underlay for consequent thermal ruthenium ALD layer. Thereafter, a particular node in the sociograph corresponding to an information connector node between at least two distinct groups of the nodes in the sociograph is identified. The modulation may be performed by a neuromodulation device. Optionally, the multi-layer film may have one or more skin layers, andor a second tie layer.