I can’t tell you exactly how it came to be, but it is a traditional emblem of socialism that has been in use for almost 60 years. There are some left-handed variations of it which can be found in this Wikipedia article about it .

The links to the registration do not work for me.

It’s a very strange coincidence that these are the subreddits that are suddenly experiencing a “bug”.

Chanel No.5 suffers from the problem that it was originally made over 100 years ago. While the scent of No.5 did not change much, lots and lots and lots of products that came later imitated the scent of the (at the time) prestigious No.5. So it’s not necessarily a case of “No.5 smells like soap”, rather than “soaps smell like No.5”. And No.5 can’t escape the position it founds itself in without becoming something else entirely.

And that’s the difference between classical conditioning (the dogs being trained to sensory input by Pavlov) and operant conditioning (Pavlov training himself through his own behavior).