I liken 1-year of a computer's life to 25 in human years. That means that a 3-year old laptop is similar to a 75-year-old person. Some laptops last more than others, as this chart shows, based off a report by warranty firm SquareTrade. So next time you're in the market for a new laptop be aware of their average life expectancies. For more details check out the full article at CNET.