Marketing Over Mobile Devices Has Been Made Possible Largely by _______,Which

Marketing over mobile devices has been made possible largely by _______,which allow(s) users to perform a variety of functions,from playing games to comparing product prices from different stores.

A) better reception
B) apps
C) the Internet
D) better phones
E) digital marketing Marketing over mobile devices has been made possible largely by mobile applications or apps-programs that can be loaded onto certain mobile devices to allow users to perform a variety of functions,from playing games to comparing product prices from different stores.