First, I couldn't even log in.

Kept getting a message that Google had others trying to log into my account.
Your connection is not private

Attackers might be trying to steal your information from steemit.com (for example, passwords, messages, or credit cards). Learn more
NET::ERR_CERT_AUTHORITY_INVALID
Automatically send some system information and page content to Google to help detect dangerous apps and sites. Privacy policy
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Discord

For days on end, I'd hear horrible screeching whenever I opened Discord. Or buzzing.
Today, it works: no horrible noises, like an attack via radio frequency disturbances.

Yesterday, I got logged in to my Steemit account, but

No images show up

in my posts, or anyone else's, anywhere.

Today, most of Steemit-in-general images are back, but not all the thumbnails are. And I can't copy/paste examples because

Image Upload: Unable to Contact the Server

Images I posted yesterday or months ago have vanished from my posts.
Most of the thumbnails remain.
Go figure.

I've hunted online for others with this issue. So far, a 2-year-old post is all I've turned up:
IMAGE ISSUE: There is currently an issue with Images NOT being displayed on Steemit (all image hosts I think) - PLEASE READ by @thecryptofiend (74) in steemit • 2 years ago

Solved! Please help: „Image upload: Unable to contact the server.“
https://steemit.com/.../please-help-image-upload-unable-to-contact-the-server

Sep 10, 2017 ... Hello Steemians, I'm new here and I wanted to put a photo from me to my introducemyself-Post, but many times it always… by mundharmonika.