Tech Products Needed For Hard Times

What are the tech products or services you need to help you through a difficult economy? A food co-op tied to a social network? An easy way to manage your home's energy consumption. I came up with ten ideas, but I'd like to hear from you.

What are the tech products or services you need to help you through a difficult economy? A food co-op tied to a social network? An easy way to manage your home's energy consumption. I came up with ten ideas, but I'd like to hear from you.