The last two weeks I have from time to time been using my iPad as a base station for other iOS devices. This has been working fine for the most part except for your regular cellular network troubles ...

Your Echo is probably sharing its connection with your neighbors' compatible devices to create a long-range community network. Should you opt out?

If you've browsed new motherboards, you might have noticed that some of them come with two Ethernet ports. Redundancy is the name of the game.