Requirement elicitation through crowdsourcing is trending nowadays and due to its major benefits, some of the organizations are implementing this idea. Our research paper discusses the traditional requirement engineering concepts and then compares them with crowd-based requirement engineering to show the benefits of crowdsourcing. Features of Crowd-Based Requirements Engineering are highlighted to give an idea of the basis on which the survey was conducted. Furthermore, we have discussed the online survey and gamification methods to motivate the crowd.