1. what allowed the iPhone and iOS to become a platform for various complementary products like TV's, speakers and automobiles? a. all of these b. M1 chips c. blockchain d. application programming interfaces (API's) e. none of these f. dense wave division multiplexing (DWDM) 2. which of the following was cited as a consumer benefit of Apple's dominance over the smartphone market? a. Control over supply b. All of these were mentiond as consumer benefits c. Increased switching costs d. Reduction of information asymmetry through smartphone availability in the emerging world e. Control over pricing 3. A market is said to be _____ if it derives most of its value from a single class of users. a. convergent b. one-sided c. core competent d. unilateral e. pure play ] .