These are the best smart rings for sleep tracking, step count and more, according to a tech expert

The Galaxy Ring provides insights into heart rate (though not real-time readings), heart rate variability, blood-oxygen ...

New Google Wallet setting uses your shopping history for personalized ads

Google is launching a new opt-in feature in the U.S. that lets Google Wallet and Pay use your purchase history and stored ...

SALTZMAN: Score early holiday deals with these free apps and websites

Simply browse by store (such as Staples or Walmart) or type in a word in the search window to begin flipping through ads. Tap ...