1 - Repetitive messages (flooding, spamming, advertising a website, etc.)

2 - Messages containing "jibberish" (making no sense at all)

3 - Messages containing ALL CAPS

4 - Messages with terrible spelling (see #2)

5 - Hate speech (criticism is not hate speech)

6 - Images that are "not safe for work" (e.g. stuff you would get fired for looking at it at work)

7 - Images that would make many people feel ill (use common sense and good judgement)

8 - Messages containing broken links

9 - Messages containing private information belonging to others (phone numbers, credit cards etc.)