Like the real world, your mac need a protection, an insurance. AppleCare Protection Plan (APP) is the solution offered by Apple to extend the warranty period your mac to 3 years from the date of purchase. Services provided include support by phone, international service, field service for the Mac desktop, web-based support and software Diagnostic Tech Tool Pro. Is it Worth to buy it ?. Depends on your needs, but never late than never. Take Care your mac with APP.