> If he's actually randomly selecting from the entire set of valid Unicode characters, then theoretically his four character password has orders of magnitude more entropy than an eight character alphanumeric password.
Exactly.
> but more likely someone just thought they'd be cute and throw a few popular emoji at it
Exactly.
> but more likely someone just thought they'd be cute and throw a few popular emoji at it
That's entirely possible.
Thanks, I'll update the article.