When you visit Mark Twain's house in Hartford, Connecticut, you may be told about his telephone. It was one of the first ...

If you've still have your old cordless phone, it could be the only thing keeping you connected to the world in the event of massive mobile network outages.

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Ellen Lee Ellen Lee is a ...