These industrial looking pressurized canisters of liquid nitrogen are ubiquitous in the streets of New York City, most residents probably pass by on a daily basis without giving them much thought. They are, in fact, essential to our communications, not just in New York, but worldwide: they cool fiber optic cables, routers, computers and other essential parts of the communications infrastructure at it's most fundamental of levels both within the City and in the City's role as an international communications hub.