1. Chaffey, D., Ellis-Chadwick, F.: Digital Marketing, Strategy, Implementation and Practice. Pearson Chaffey and Ellis-Chadwick, Mexico City (2014)
2. Ohmae, p. 72 (2005)
3. Salazar, J., Silvestre, Y.S.: Internet of Things
4. Gunturi, M., Kotha, H.D., Srinivasa Reddy, M.: An overview of internet of things. J. Adv. Res. Dyn. Control Syst. 10(9), 659–665 (2018)
5. Cook, D.J., Augusto, J.C., Jakkula, V.R.: Ambient intelligence: technologies, applications, and opportunities. Pervasive Mob. Comput. 5(4), 277–298 (2009)