Help develop a research-based analysis of customers for iPhone product Market (1) characterizing its customer segments and target markets and (2) evaluating its brand positioning.

Effectively describe at least THREE unique customer segments including at least ONE identified as the target market. For each, bases of segmentation reference at least TWO of the following: who, what, and why.

Effectively analyze brand positioning using THREE viewpoints: consumer, competitor, and company. For each, at least TWO dimensions are described and analyzed.

Use in-text citations from (and provide end-text references for) at least FOUR relevant, credible, and accurate sources.