Shipping Gadgets Using FedEx, UPS, or USPS? Which One is "Rougher"?

It is the holiday buying season which means that mobile gadget fans are either having gadgets shipped to them or shipping gadgets to someone. Most shipping services do a reasonably good job of getting packages delivered during this incredibly busy shipping period. The question is: How much abuse do these packages take during the shipping process? Popular Mechanics tried to get this information by teaming with National Instruments to ship packages containing self-powered data loggers from New York to Santa Monica via FedEx, UPS, and USPS.