As the busiest shopping season looms, Americans have several ways to shop online, but smartphones have become a top way to do so. Roughly three-quarters of U.S. adults say they ever buy things online using a smartphone, while a somewhat smaller share 69% say they ever make purchases via desktop or laptop computers. Far fewer Americans, 28%, report ever buying things online on a tablet. Mobile phone shopping is especially common among adults under 50. Around nine-in-ten Americans ages 18 to 49 say they ever buy things online using a smartphone, compared with 69% of adults 50 to 64 and 48% of those 65 and older.