Snow Leopard's abandonment of Creator Code metadata, used to open a file with its creating application, has some users are worried that Apple has killed off a core Mac-centric feature. Instead, Apple has invented a superior alternative for the old Creator Code in order to support a variety of new features. Here's why, and what the new Uniform Type Identifiers offer.
Inside Snow Leopard's UTI: Apple fixes the Creator Code
Inside Snow Leopard's UTI: Apple fixes the Creator Code