Digital marketing has changed the way companies and brands relate to customers. Conventional advertising, such as television or paper advertising, is unidirectional, limited in content, time and reach, and is generally more expensive.

In simple terms, we can define programming as the act of writing – in programming language – a script that a computer can understand. This will tell the computer to behave a certain way, to do a certain thing, and ultimately perform the actions you want, if your code is correct.