In my new course, I try to help you get the most from iCloud. Here is an excerpt from the first lesson which explains how cloud services work. The course then goes on to show you how to set up iCloud on Mac and iOS. Further videos explain each feature of iCloud such as iCloud Drive, Photos, data syncing, backups, email, sharing and more. You can learn about this and more in the new Guide to iCloud course at https://macmost.com/icloud
Update (3/2/2019): The launch sale is over, but you can still get the course at a discount. Go to the main course page and click on the 50% off coupon button.