Facebook, Instagram, and WhatsApp are down. Are you affected?

Facebook and its related networks, Instagram and Whatsapp, experienced an outage that prevented some users from accessing either the entire service or some functionality within the service.
No word yet on how many users are experiencing issues or for how long, though it does look like the problems have been or are rapidly being resolved.
In a statement to The Verge, Facebook said:
"a technical issue," was the cause of the issue, and that the company is "currently restoring service for everyone."
Facebook, Messenger, and Instagram have all been fine for me this morning. If you've been experiencing problems with any of those services, or with Whatsapp, let me know in the comments. Also let me know when they start working for you again.
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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.