How does Southwest Airlines$$ approach to providing a total product experience capture the marketing framework elements of STP $($i$.$e$.,$ segmentation, targeting, and positioning$)$ and the $4$Ps $($i$.$e$.,$ product, price, place, and promotion plus a $5$th P $-$ people$/$target market$)?$ Hint: develop a few sentences for each of the STP$$s and $4$ P$$s$.$ As the market changes, how can Southwest Airlines maintain a competitive advantage? Hint: you need to address specific things and not state something similar to $$keep doing the same thing.$$