The recording is installed by default in many modern electronic devices so that people can easily work with the sounds they want to save. In fact, those who rarely use this feature will not need to pay much attention. For those who are constantly exposed to huge amounts of information daily, the sound recording works effectively. For example, if you are a journalist participating in a press conference, a recorder is indispensable. Or you are a private secretary, it is more necessary, all instructions of superiors should be kept.