How do the perspectives on competitive advantage differ when comparing brick$-$and$-$mortar stores to online businesses $($e$.$g$.,$ Best Buy versus Amazon, Barnes & Noble versus Amazon, Old Navy versus Threadless $[$noted in Strategy Highlight $5\mathrm{.}2],$ Nordstrom versus Zappos, and so on$)?$ Make recommendations to brick$-$and$-$mortar stores as to how they can compete more effectively with online firms. What conclusions do you draw?