If you're a thrifty homeowner, you probably wait until it gets really cold to turn on the heat. But there's a better, simpler way to reduce your heating bill this winter...

From Alexa to Ring, we're seeing more smart technology in homes these days. Some houses are even being built with integrated systems. 

Users of Amazon's Alexa digital assistant can now request that recordings of their voice commands delete automatically.

Consumer advocates say the kids' version of Amazon's Alexa won't forget what children tell it, even after parents try to delete the conversations.