Apple inadvertently sent out some iCloud announcements prematurely via email yesterday. The announcement gave the recipients their iCloud ID, which is their email address, and gave a link to further instructions. However, the instructions page isn't yet live on Apple's website. Read more on AppleInsider. The email also gave a brief description of iCloud. I was glad to see that Apple is giving users a specific ID. One problem I've had with the Apple environment is that there are several different versions of my username, which has sometimes caused problems.