Mobile usage has grown astronomically, with smartphones becoming the main access point for information and many purchasing decisions. The document discusses getting a mobile strategy for businesses, whether through a mobile website or mobile application. A mobile website is cheaper to develop but doesn't fully utilize phone capabilities, while a mobile application has a permanent home on the phone but costs more to develop for different platforms. Facts provided show 28% of Americans primarily use smartphones for internet access, and 65% have made purchases via smartphones.