Encryption is the coding or scrambling of information so that it can only be decoded and read by someone who has the correct decoding key. Encryption is used in secure Web sites as well as other mediums of data transfer. If a third party were to intercept the information you sent via an encrypted connection, they would not be able to read it.
Evolution is the change in the inherited characteristics of biological populations over successive generations.
Unfair treatment or use: the practice of taking selfish or unfair advantage of a person or situation, usually for personal gain