Back in 2014, you could register to websites with random unicode characters in your username and give out heart attacks
![](https://kbin.life/media/cache/resolve/entry_thumb/2e/90/2e90e7d97d1b7261715184ff3692a4f159b398d4e171a7b3a155bcc34ae361a0.png)
There have been multiple accounts created with the sole purpose of posting advertisement posts or replies containing unsolicited advertising.
Accounts which solely post advertisements, or persistently post them may be terminated.