I always get excited by new Bluetooth mesh network technology because it is extremely useful for pro-democracy movements. Wherever the Internet could be censored, monitored, surveilled, or shut down due to security reactions to social movements, protests, rallies, and marches, a Bluetooth mesh network like FireChat, which was used throughout the 2010s in Hong Kong during the protests against Chinese authoritarianism that came to be known as the Umbrella Movement, can keep communications flowing to a large group of organizers in the field, avoiding confusion, the fog of war, and other roadblocks. Mesh networks are equally useful for underserved areas in rural or urban communities. There have been some successful examples. One in particular comes to mind of an urban community that installed local Internet through a Wi-Fi network that was based on mesh networks. Now, of course, the ideal mesh network would simply involve every...