It's been on top of the web UI for 2 or 3 days now.

You might have closed it...

Just go to your account settings and find the opt-out option.

Honestly there go months between me visiting github.com, let alone as a signed in user.

right up top. I'm not sure how anyone could miss it.

  $ git pull
  $ vim foo.rs
  $ git commit
  $ git push

That's how.

exactly this. I rarely need to go to the site.

Obviously you wouldn’t see it if you don’t go to the site so why ask?

I hadn't gone in the last 2-3 days. Not never.

Probably have to have adblockers turned off.