[Aghaei, S., Nematbakhsh, M.A., Farsani, H.K. (2012). Evolution of the World Wide Web:From Web 1.0 to Web 4.0. International Journal of Web & Semantic Technology (IJWesT), 3 (1), 1-10. doi: 10.5121/ijwest.2012.3101.10.5121/ijwest.2012.3101]Search in Google Scholar
[Allmendinger, G. and Lombreglia, R. (2005). Four Strategies for the Age of Smart Services, Harvard Business Review. Retrieved from https://hbr.org/2005/10/four-strategies-for-the-age-of-smart-services.]Search in Google Scholar
[Arp, L. (2015, December 11). Do you know these popular online business models? Retrieved from http://sunriseprowebsites.com/know-popular-online-business-models.]Search in Google Scholar
[Bley, S., Dr. Kilger, C., & Prof. Dr. Vogel, J. (2016). Industrie 4.0 — das unbekannte Wesen?. Ernst & Young GmbH. Retrieved from http://www.ey.com/Publication/vwLUAssets/EY-industrie-4-0-das-unbekannte-wesen/$FILE/EY-industrie-4-0-das-unbekannte-wesen.pdf.]Search in Google Scholar
[BMBF - Federal Ministry of Education and Research. (2014). The new High-Tech Strategy Innovations for Germany. Retrieved from https://www.bmbf.de/pub/HTS_Broschuere_eng.pdf]Search in Google Scholar
[BMWi. (2016). Industrie 4.0: The Digitisation of the Economy. Retrieved January 4, 2017, from http://www.bmwi.de/Redaktion/EN/Artikel/Industry/industrie-4-0-the-digitisation-of-the-economy.html]Search in Google Scholar
[Bosch Software Innovations. (2012, March). InnovateIT - Enabling Business Success in a Connected World. Retrieved from https://www.bosch-si.com/media/bosch_software_innovations/documents/publication/german_1/2012_4/2012-01-innovateit-kundenmagazin.pdf]Search in Google Scholar
[Brynjolfsson, E., and McAfee, A. (2014). The second machine age: work, progress, and prosperity in a time of brilliant technologies. New York: W.W. Norton & Company.]Search in Google Scholar
[Cronin, M.J. (2010). Smart products, smarter services: strategies for embedded control. New York: Cambridge University Press.10.1017/CBO9780511761928]Search in Google Scholar
[Davies, R. (2015). Briefing - Industry 4.0 Digitalisation for productivity and growth. EPRS | European Parliamentary Research Service. Retrieved from http://www.europarl.europa.eu/RegData/etudes/BRIE/2015/568337/EPRS_BRI(2015)568337_EN.pdf.]Search in Google Scholar
[Eurodata. (2015). Whitepaper Smart Services und intelligente Vernetzung machen neue Geschäftsmodelle möglich. Retrieved from http://whitepaper.silicon.de/resource/9157.]Search in Google Scholar
[Financial Times Lexicon. (January 5, 2017). Business model. Retrieved from http://lexicon.ft.com/Term?term=business-model.]Search in Google Scholar
[Gartner. (January 4, 2017). Digitalization. Retrieved from http://www.gartner.com/it-glossary/digitalization.]Search in Google Scholar
[Goodreads. (January 7, 2017). A quote by Louis Pasteur. Retrieved from http://www.goodreads.com/quotes/9178-chance-favors-the-prepared-mind.]Search in Google Scholar
[Hermann, S. (2016, October 20). Was sind Smart Services?. Smart Urban Services Project (SUS). Retrieved from http://www.servlab.eu/?p=1333.]Search in Google Scholar
[IDC. (2015). Daten - Volumen der weltweit generierten Daten bis 2020 | Statistik. Retrieved from https://de.statista.com/statistik/daten/studie/267974/umfrage/prognose-zum-weltweit-generierten-datenvolumeniiconsortium.org.]Search in Google Scholar
[Kagermann, H. and Lukas, W.D. (2011, April 01). Industrie 4.0: Mit dem Internet der Dinge auf dem Weg zur 4. industriellen Revolution. Retrieved from http://www.vdi-nachrichten.com/Technik-Gesellschaft/Industrie-40-Mit-Internet-Dinge-Weg-4-industriellen-Revolution.]Search in Google Scholar
[Kagermann, H., Riemensperger, F., Hoke, D., Schuh, G., Scheer, A.-W., Spath, D., Leukert, B., Wahlster, W., Rohleder, B. and Schweer, D. (2015). Smart Service Welt. Umsetzungsempfehlungen für das Zukunftsprojekt Internetbasierte Dienste für die Wirtschaft (Abschlussbericht). Retrieved from http://www.acatech.de/fileadmin/user_upload/Baumstruktur_nach_Website/Acatech/root/de/Projekte/Laufende_Projekte/Smart_Service_Welt/Smart_Service_Welt_2015/BerichtSmartServiceWelt2015_DE_KURZ.pdf.]Search in Google Scholar
[KPMG. (2016). Zeit zum mutigen Handeln. Frankfurt am Main. Retrieved from http://hub.klardenker.kpmg.de/zeit-zum-mutigen-handeln.]Search in Google Scholar
[Marquardt, K., Olaru, M. and Ceausu, I. (2017). Study on the Development of Quality Measurements Models for Steering Business Services in Relation to Customer Satisfaction. Amfiteatru Economic, 19(44), 95-109.]Search in Google Scholar
[Morgan, J. (2016, August 23). A Simple Explanation Of ‘The Internet Of Things’. Retrieved from http://www.forbes.com/sites/jacobmorgan/2014/05/13/simple-explanation-internet-things-that-anyone-can-understand.]Search in Google Scholar
[Muehlhausen, J. (2013, July 02). Internet Business Models. Retrieved from http://businessmodelinstitute.com/internet-business-models.]Search in Google Scholar
[Nations, D. (2016, May 13). What In the World Is ‘Web 3.0’ and Is It Even Here Yet?. Retrieved from https://www.lifewire.com/what-is-web-3-0-3486623.]Search in Google Scholar
[O'Halloran, D. and Kvochko, E. (2015). Industrial Internet of Things: Unleashing the Potential of Connected Products and Services. World Economic Forum. Retrieved from http://www3.weforum.org/docs/WEFUSA_IndustrialInternet_Report2015.pdf.]Search in Google Scholar
[Ovans, A. (2015, January 26). What Is a Business Model?. Retrieved from https://hbr.org/2015/01/what-is-a-business-model.]Search in Google Scholar
[Plattner, H. (2016, November 22). Big Data. Retrieved from http://www.enzyklopaedie-der-wirtschaftsinformatik.de/lexikon/daten-wissen/Datenmanagement/Datenmanagement--Konzepte-des/Big-Data.]Search in Google Scholar
[Porter, M.E. (1985). Competitive advantage: creating and sustaining superior performance. New York: Free Press.]Search in Google Scholar
[PWC. (2016). Industry 4.0: Building the digital enterprise. Retrieved from https://www.pwc.com/gx/en/industries/industries-4.0/landing-page/industry-4.0-building-your-digital-enterprise-april-2016.pdf.]Search in Google Scholar
[Rappa, M. (2010). Business Models on the Web. Retrieved from http://digitalenterprise.org/models/models.html.]Search in Google Scholar
[Rijsdijk, S. A., and Hultink, E. J. (2009). How today’s consumers perceive tomorrow’s smart products. Journal of Product Innovation Management, 26(1), 24-42.10.1111/j.1540-5885.2009.00332.x]Search in Google Scholar
[Robben, X. (2015). Michael Porter's Value Chain: Increase value and beat the competition. Retrieved from https://books.google.de/books?iTHd7CgAAQBAJd=.]Search in Google Scholar
[Rossides, N. (2014, March 04). Digital Business Models. Retrieved from https://www.digital-mr.com/blog/view/digital-business-models.]Search in Google Scholar
[Schibrowski, E. (2008). Web 3.0: das Ende von Google. Retrieved from http://www.inf.uni-konstanz.de/dbis/teaching/ws0708/web/essays/paper_schibrowski.pdf.]Search in Google Scholar
[Steimel, B. (2016, November 25). Smart Services: Neue Geschäftsmodelle im Internet der Dinge. Retrieved from http://www.smarter-service.com/2016/11/25/smart-services-neue-geschaeftsmodelle-im-internet-der-dinge.]Search in Google Scholar
[Steimel, B. (2015). Einstieg in die Smart Service Welt / Neue Wertschöpfungspotentiale durch digitale Dienstleistungen. Retrieved from http://de.slideshare.net/Bernhardsteimel/aufbruch-in-die-smart-service-welt.]Search in Google Scholar
[Sviokla, J. (2016, December 08). Four Business Models for the Digital Age. Retrieved from http://www.strategy-business.com/blog/Four-Business-Models-for-the-Digital-Age.]Search in Google Scholar
[Syska, A., and Liévre, P. (2016). Illusion 4.0 Deutschlands naiver Traum von der smarten Fabrik. Herrieden: CETPM Publishing.]Search in Google Scholar
[Tomaro, N. (2016, November 23). 9 Proven Business Models to Consider for Your Startup. Retrieved from http://www.huffingtonpost.com/nina-tomaro/9-proven-business-models-_b_7949932.html.]Search in Google Scholar
[Töytäri, P., Turunen, T., Klein, M., Eloranta, V., Biehl, S., Rajala, R. (2017). Overcoming Institutional and Capability Barriers to Smart Services. Retrieved from http://scholarspace.manoa.hawaii.edu/bitstream/10125/41351/1/paper0202.pdf.10.24251/HICSS.2017.198]Search in Google Scholar
[Tydecks, W. (2013). Krise 2009, Ursachen und weitere Aussichten. Retrieved from http://www.tydecks.info/online/math_multi_krise2009.html.]Search in Google Scholar
[UN DESA (2017). Weltbevölkerung - Anzahl der Einwohner auf der Welt 2015. Cited after de.statista.com. Retrieved from https://de.statista.com/statistik/daten/studie/1716/umfrage/entwicklung-der-weltbevoelkerung.]Search in Google Scholar
[Wahlster, W. (2008, August 12). Was ist der Unterschied zwischen Internet der Dienste... ?. Retrieved from https://www.youtube.com/watch?v=5hataOUdw9g.]Search in Google Scholar
[Wee, D., Kelly, R., Cattel, J., and Breunig, M. (2016). Industry 4.0 after the initial hype where manufacturers are finding value and how they can best capture it. McKinsey & Company. Retrieved from https://www.mckinsey.de/files/mckinsey_industry_40_2016.pdf.]Search in Google Scholar
[Wee, D., Kelly, R., Cattel, J. Breunig, M. (2015). Industry 4.0 - how to navigate digitization of the manufacturing sector. McKinsey & Company. Retrieved from https://www.mckinsey.de/files/mck_industry_40_report.pdf.]Search in Google Scholar