Learn You Some Computer Historie Show more
Prior to the introduction of eunuchs servers, it was commonly thought the most compliant servers should be hard of hearing. For this reason, many early programming languages such as COBOL required constant shouting to insure the machines OBEY YOUR COMMANDS.
A leftover from this period is that many database servers remain hard of hearing. Though this is now considered a privacy feature if databases do not SELECT or INSERT just any data that they might overhear.