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Extended engagement our research confirms that people want to be recognized for interacting with brands reward them for watching product videos answering a poll sharing content socially and more and take your relationship to the next level. Category music song hello world artist lady antebellum licensed to youtube by umg on behalf of emi latinautor sonyatv latinautor umpg sony atv publishing solar music rights management . A hello world program generally is a computer program that outputs or displays the message hello world such a program is very simple in most programming languages and is often used to illustrate the basic syntax of a programming language it is often the first program written by people learning to code. Hello world a hello world program is a computer program that outputs hello world or some variant on a display device the first known version of this program comes from brian kernighans paper a tutorial introduction to the language b from 1972 chapter 7 in its first form it was used to show how to use external variables in b but since then it has become pretty much the standard example to show the very basic syntax and most simple program in any given programming language