In the context of technological changes and internationalization, which of the following statements is true? Question $10$ options: a$)$ Despite internet, geographical distance is a hurdle to the e$-$commerce. b$)$ The entire world is now truly the market for consumers in free countries. c$)$ Consumers all over the world are bound by the store hours. d$)$ E$-$commerce accounts for more than one$-$third of total U$.$S$.$ retailing as of $2016.$