Immediately after the Boston Marathon bombings, cell service was disabled as a preventive measure. As an emergency communicator, I prepare for this stuff and usually have at least one radio nearby at all times. What’s your communications plan should they shut off your cell phone service? Remember: that means no voice calls, text messages, emails, mobile web, or anything else getting into or out of your mobile phone. Do you have a landline? What if that should fail as well? It probably will because the system will be jammed with people trying to call one another.