Stackexchange sites tend to be pretty reliable for any questions you can't find answers to with a simple search
![](https://kbin.life/media/cache/resolve/entry_thumb/b1/67/b16783d5c1f993f44731ed14bcf2d25d7c17345804960b4ee0adf09fb1a43016.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.