From the perspective of a platform, "multi-homing" is a problem since... Group of answer choices a. users bypass the platform a connect directly with the product or service provider. b. customers and/or service providers use multiple platforms at the same time, thus making it difficult for any platform to generate a profit. c. platform owners connect with multiple networks that result in lack of business focus. d. it is difficult to segment the users in order to differentiate the offerings to them.