The Apple credit card. The T-Mobile nationwide 600 MHz 5G network will launch on December 6th. Amazon Ring doorbells exposed home Wi-Fi passwords to hackers. ATT switches customers to more expensive plans without asking them first. ATT pays millions to settle FTC claims 'unlimited data' had limits. Microsoft's new Office app. Benjamin Rockwell on why data failure might mean company failure. Do batteries last longer in the refrigerator? When to replace a rechargeable battery. Marty Winston on when houses know the weather.