JIT_V4_N2_A1 K.V.N. Rajesh K.V.N. Ramesh Journal on Information Technology 2277-5250 4 2 1 6 Crowdsourcing, Elements in Crowdsourcing, Quality Control in Crowdsourcing Crowdsourcing, refers to process of solving large scale and complex problems by crowd. It is one of the significant recent trend in internet and the mobile market that focuses on human-powered solving of large scale problems in diverse domains. The quality-control approaches of crowdsourcing systems mentioned in this paper will enhance the quality of the project developed by crowd. This paper describes crowdsourcing, basic elements in crowdsourcing, quality control in crowdsourcing, advantages and disadvantages of crowdsourcing, Some of the crowdsourcing projects such as Amazon Mechanical Trunk, Threadless and Wikipedia have been discussed. March - May 2015 Copyright © 2015 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=3386