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.