One of the Slovak advertising agencies has chosen a peculiar
approach to advertising by using the well-known Bad Luck Brian meme
in a campaign for its client - an orthodontic clinic. This campaign
led to wild discussions of experts and enthusiasts from advertising
practice about copyright protection in advertising.
The campaign was launched with a billboard featuring the Bad
Luck Brian meme and the following text: "With invisible
braces, there are no such memories."

The advertising agency then (via their friend) intentionally
placed a photo of the billboard to a Facebook group of marketers,
copywriters, and SEO optimizers with a caption: "Do you
think they understand the difference between using a photo in a
meme and advertising?" as a part of advertising strategy
...