Let me guess two reasons: 1. to avoid keyword detection (reason I write to myself garbled sensitive notes online, so potential hacker with online translator wo

Let me guess two reasons: 1. to avoid keyword detection (reason I write to myself garbled sensitive notes online, so potential hacker with online translator won't be able to read them since it's highly unlikely he will be my maybe language speaker) 2. to filter out smart people avoid wasting time with them edit: article says it's number 2