Although the fifth-generation Intel Core i5 processor and Force Touch trackpad are minor updates, this year's 13-inch Retina Apple MacBook Pro is still an easy top pick for high-end ultraportables.... Read the full review on pcmag.com
Essentially, an Apple ID is your passport to the Apple ecosystem of hardware and software. It is an important information that smooths the interaction between you, your hardware, software and services that Apple provides.
Answer Wiki. No. Aliases are merely alternative e-mail addresses, not Apple IDs. An Apple ID is formatted like an e-mail address, but it's actually completely different. In fact, if you sign up fro MobileMe with a separate, non-me.com Apple ID and then activate e-mail, you'll need to create a me.com address for your e-mail but will still continue using your original Apple ID to sign in.