Which of the following is a huge barrier to exporting for small and medium-sized firms? multiple choice
a. not having enough capacity to meet demands that would result from exporting.
b. having to rely on others, including outside experts and business owners in other countries to learn about exporting opportunities.
c. not knowing how big and where the opportunities are for exporting.

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?