There have been and always will be right and wrong ways to go about marketing on Facebook. The only things that change are the ways to go about doing the “right” things. While some would say there are no rules on social media, there are definitely best practices to do and poor practices to avoid.
Some cities have better drivers than others. It could be because of the streets and conditions. It can be based upon the population itself. Then again, it could just be that some places attract really good or really bad drivers.
When most think of encryption, they think of computers using complex algorithms to hide data in ways that require a password or key. This is a very modern and simplistic view of a long and stories history behind encryption. Since the dawn of human communication we’ve had a need to be able to send messages without the risk of them being seen by the wrong people. Thus, encryption is as old as the written word in some cultures.