Two Connections Are Better than One: "The theft of network cards from a Verizon office last May caused many Manhattan businesses to lose Internet service for nearly a day. Outages such as this convey to all businesses?not just the affected ones?how dependent they have become on Internet access and how vulnerable they are to disruptions. A few hours of downtime?even outside normal business hours?could mean thousands of dollars in missed opportunities and lost customers. But how can you ensure you'll have an unbroken connection?"