Apple

We haven't received many problem reports for Apple yet.
If Apple is down for you, you might be one of the first to encounter an outage - please consider checking back later. It's also possible that the issue is local or related to your internal network or system.

Apple reports

Apple offers a series of technology products and services. When Apple goes down, one or more of the services that it provides may become unavailable, users for instance can't log in or access resources that are stored on Apple servers.