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.
Trainguyrom , 4 hours ago An XKCD-style filter would probably do the trick: explainxkcd.com/…/Category:Substitution_series
An XKCD-style filter would probably do the trick: explainxkcd.com/…/Category:Substitution_series