Mojang the continued development of "Minecraft". Within a year, the company grew to a size of twelve employees, with their second video game, "Scrolls", in development, as well as serving as the publisher of "Cobalt". In 2011, Napster founder and former Facebook president Sean Parker offered to invest in Mojang, but was declined. By March 2012, the company had accumulated revenues of over $80 million. In September 2012, Mojang began a partnership with United Nations Human Settlements Programme called "Block by Block", which entails having "Minecraft" players constructing sites in-game to use as a basis for assisted development of the village
Minecraft the Egmont Group, a children's book publisher, to create "Minecraft" handbooks, annuals, poster books, and magazines. MineCon is an official convention dedicated to "Minecraft". The first one was held in November 2011 at the Mandalay Bay Hotel and Casino in Las Vegas. All 4,500 tickets for MineCon 2011 were sold out by 31 October. The event included the official launch of "Minecraft"; keynote speeches, including one by Persson; building and costume contests; "Minecraft"-themed breakout classes; exhibits by leading gaming and "Minecraft"-related companies; commemorative merchandise; and autograph and picture times with Mojang employees and well-known contributors from the "Minecraft" community. After