http://www.gamesindustry.biz/articles/2012-11-20-wii-u-launch-reactions-mixed-software-on-sale
http://uk.ign.com/articles/2013/06/12/nintendos-e3-2013-tearing-up-the-rulebook
http://en.wikipedia.org/wiki/Nintendo_DS_sales
http://en.wikipedia.org/wiki/Wii_sales
http://www.gottabemobile.com/2014/01/29/wii-u-sales-suffer-as-ps4-xbox-one-dominate/
http://www.huffingtonpost.com/2014/01/17/nintendo-wii-u-failure-sales-flop_n_4618218.html
http://www.polygon.com/2014/1/29/5356812/nintendo-boss-satoru-iwata-will-cut-pay-in-half-after-poor-fiscal
http://www.polygon.com/2014/1/29/5356772/nintendo-falls-short-of-hardware-and-software-sales-forecasts
http://www.nintendo.co.jp/ir/en/library/events/111028qa/02.html
http://www.eurogamer.net/articles/2011-11-01-nintendo-wii-wasnt-intended-as-a-casual-console
http://www.computerandvideogames.com/346121/nintendo-plans-to-attract-core-gamers-before-casual-with-wii-u/
http://www.theguardian.com/technology/2014/jan/31/wii-u-mobile-nintendo-video-game
http://www.nintendo.co.jp/ir/en/library/events/100929qa/03.html#notesLink
"Another idea is for us to further intensify our collaborations with the software developers and the third-party publishers. When we launched the Nintendo DS and the Wii, Nintendo made some very unique proposals which were not in alliance with the mainstream concepts held in the video game industry at that time. As a result, there was no choice but for us to invigorate these platforms through Nintendo’s own efforts so that they could be up and running. And, the initial purchasers of the products were mainly Nintendo fans. Particularly in Japan, for the Wii, we struggled to create the circumstance early on where third-party Wii titles sold in huge volumes. Because we could not show a good sales record for third-party Wii titles, third-party developers did not sustain their passion to create software for the Wii. In the overseas markets, there have been a number of third-party hit titles on the Wii. However, there was also a challenge that the Wii was not fully capable of catering to the needs of, for example, first person shooter games, the users of which prefer platforms compatible with HD TVs. For these challenges, we will be able to improve the situation with the Wii U and the Nintendo 3DS."
