A method and system are disclosed for manipulating the flow of gases into and out of a microfluidic circuit to regulate pressure within the circuit or to provide for the delivery of gases to or removal of gases from the circuit. The action of expanding blades, which rotate radially outwardly and backwardly to deploy from the sides of the arrowhead upon impact, separates the tip of the arrow containing the signal generator and transmitter in a sideways manner from the rest of the arrowhead. The method may further comprise determining, via at least one of the client electronic device and the server computer, an instant message status based upon, at least in part, the instant message request and the instant message request target.