Puerto Ricans are heavily dependent on cell phones, a prominent source of internet access which has a cell phone penetration rate of nearly 100%.
Dave Graham and Robin Respaut
Democratic leaders in Congress and some residents in Puerto Rico have accused the Republican administration of being more sluggish in its response than it would to a disaster on the US mainland.
The strongest storm to hit the island in decades has left hospitals flooded, strewn with rubble and dependent on diesel generators to keep the neediest patients alive.
The second major hurricane to rage through the Caribbean this month, Maria has killed at least 32 people and devastated several small islands.
Homes were reduced to rubble and debris littered the streets of San Juan as powerless Puerto Rico plunged into darkness.