m Design UI/UX/CX Design Presentation sesign: Change "powerpoint" to "PowerPoint". Development Section change "five days" to "five day". 5. Competitive Programming changed "hours" to "hour" (grammar and spelling all categories)
'''Topcoder''' (formerly TopCoder) is a [[crowdsourcing]] company with an [[Commons-based peer production|open global community]] of [[design]]ersdesigners, [[Software development|developers]], [[Data science|data scientists]], and [[Competitive programming|competitive programmers]]. Topcoder pays community members for their work on the projects and sells community services to corporate, mid-size, and small-business clients.<ref name=":0">{{Cite journal|last=|first=|vauthors=Lakhani KR, Garvin DA, Lonstein E|date=January 2010|title=TopCoder (A): Developing Software through Crowdsourcing|url=https://www.hbs.edu/faculty/Pages/item.aspx?num=38356|journal=Harvard Business School Case|volume=|pages=610-032|via=}}</ref><ref name="HuffPost-foudning">{{cite web|url=http://www.huffingtonpost.com/peter-diamandis/topcoders-5-steps-to-buil_b_2916499.html|title=TopCoder’s 5 Steps to Building a Global Workforce Community|last1=DIamandis|first1=Peter|date=March 20, 2013|website=The Huffington Post|archive-url=|archive-date=|dead-url=|accessdate=15 April 2016}}</ref><ref name=":1">{{Cite web|url=http://www.sramanamitra.com/2018/01/02/genesis-to-acquisition-mike-morris-ceo-of-topcoder-part-1/|title=Genesis to Acquisition: Mike Morris, CEO of Topcoder|last=Mitra|first=Sramana|date=January 2, 2018|website=One Million by One Million Blog|archive-url=|archive-date=|dead-url=|access-date=March 30, 2018}}</ref> Topcoder also organizes the annual [[Topcoder Open]] tournament and a series of smaller regional events.
