điện tử, xem “Factbox: A Look at the $65 billion Video Games
Industry”,
Reuters,
June
6,
2011
(http://uk.reuters.com/article/2011/06/06/
us-videogames-
factbox-idUKTRE75552I20110606).
Phân tích dữ liệu Zynga Nick Wing eld, “Virtual Products, Real
Pro ts: Players Spend on Zynga’s Games, but Quality Turns
Some O ”, Wall Street Journal, September 9, 2011
(http://online.
wsj.com/article/SB1000142405311190482380457650244283
5413 446.html).
Trích dẫn của Ken Rudin - Erik Schlie, Jörg Rheinboldt, and Niko
Waesche, Simply Seven: Seven Ways to Create a Sustainable
Internet Business (Palgrave Macmillan, 2011). p. 7.
Trích dẫn của Auden - W. H. Auden, “For the Time Being”, 1944.
Nghiên cứu Brynjolfsson - Erik Brynjolfsson, Lorin Hitt, and
Heekyung Kim, “Strength in Numbers: How Does Data-Driven
Decisionmaking A ect Firm Performance?” working paper,
April 2011 (http://papers.ssrn.com/sol3/papers.cfm?abstract_
id=1819486).
Về Rolls-Royce - “Rolls-Royce: Britain’s Lonely High-Flier”, The
Economist,
January
8,
2009
(http://www.economist.
com/node/12887368). Figures updated from press o ce,
November 2012.
Erik Brynjolfsson, Andrew McAfee, Michael Sorell, and Feng
Zhu, “Scale Without Mass: Business Process Replication and
Industry Dynamics”, Harvard Business School working paper,
September
2006
(http://www.hbs.edu/research/pdf/07-
016.pdf also http:// hbswk.hbs.edu/item/5532.html).