50-port network switch -- A network switch or switching hub is a computer networking device that connects network segments or network devices. Commonly refers to a multi-port network bridge that processes and routes data at the data link layer (layer 2) of the OSI model. Switches that additionally process data at the network layer (layer 3) and above are often referred to as layer-3 switches or multilayer switches. http://en.wikipedia.org/wiki/Networking_switch
Progressive Web Apps are the next big thing when it comes to delivering a dynamite mobile experience. But what actually makes a PWA? Should you have one? And if you create one, how will you make sure it ranks?