iTunes and App Store down for many, can't get or update apps

We're getting flooded with reports of iTunes and the App Store being down in numerous regions. Browsing the stores still works, but downloading or trying to update apps does not.
It doesn't seem to be affecting everyone, and some who were affected for a while seem to have recovered, but others are still having the problem.
If you can't access iTunes or the App Store, or get your apps, you're not alone. Let us know, along with where you are. If you're fine, or if the problem has been fixed for you, let us know that as well.
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.