How do new technologies take advantage of our attention to changing stimuli?

A.) They understand our need for social interaction and have developed social media platforms to help us form social connections.
B.) They understand that changing stimuli, such as new tweets or breaking news stories, are more likely to grab our attention, and thus our clicks.
C.) They understand our need for consistency and ensure that newer technologies are made durable.
D.) They understand our desire for what is scarce, and so they create new technologies more frequently for consumers to purchase.