You and your trusty laptop have had a good run, but as newer models come out and more features become available, the idea of upgrading becomes increasingly attractive. It’s only natural that you want to upgrade, even if your current laptop does not have any problems or issues.
Apple releases new models of its MacBook Air and MacBook Pro laptop series on a regular basis. Over time, the computer you are using may not be what you want any longer and you start to think about upgrading to one of the new models.