Upgrade your traditional watch by adding apps, data, and notifications to your wrist. Here are the features to look for, along with the top smartwatches we've tested. I’m PCMag’s senior writer ...

March 6, 2026 • The 20-something billionaires who run Kalshi and Polymarket are battling it out to be the top prediction market company. Observers and former insiders say the feud is just heating up.