Answer:
A) App stores
Explanation:
App stores have a positive impact on the whole American economy and can help companies by:
For example, during 2018, the app economy in the US represented $568.47 billion and it included over 5,744,481 people working in 317,673 different companies.
App stores allow companies, specially smaller companies and entrepreneurs, to have a low-cost distribution channel to massive markets all around the world.
The impact of the app economy will only increase as the internet of things (IoT) increases.