How Much Do You Know About Smartphones?

With AirDrop, you can share documents, photos, videos and more with nearby Apple devices instantly. If you’re trying to decide between an iPhone or one that runs on an Android operating system, experts say that if you’re already familiar with an iPad or Mac computer, the learning curve will be low for an iPhone.

In 2022, Arizona, Colorado and Maryland became the first states to roll out digital versions of their driver’s license into Apple Wallet. Other states that have added digital driver’s licenses to Apple Wallet: Arkansas, California, Georgia, Hawaii, Illinois, Iowa, Montana, New Mexico, North Dakota, Ohio, Oklahoma, Virginia and West Virginia. The territory of Puerto Rico also offers digital licenses for Apple Wallet. Other states offer IDs for Samsung Wallet or their own apps.

The research firm Insider Intelligence estimated that people spent $728.28 billion on retail mobile commerce sales. That number is 44.2 percent of all e-commerce sales in 2025.

NFC is short for Near Field Communication, the industry standard technology protocol designed to work only at a short distance between a phone and a payment terminal.

Your smartphone can identify those sounds, but you have to tell it which sounds you want to trigger a notification. On an iPhone, tap Settings | Accessibility | Sound & Name Recognition. Android phones vary on how to turn on the feature; Samsung models have it under Settings | Accessibility | Hearing Enhancements | Sound Detectors. Then look at the options.