Once upon a time, your home was considered your castle, a sphere of absolute privacy, where you could reliably escape prying eyes. No one, except perhaps the constable, dared even enter one’s home without permission.

What will life be like when every road you travel, every device you own, every building you enter is connected to the internet? Will these developments transform our world in ways that enrich our lives? Or will they just create more opportunities for hackers, corporations, and governments to pry into every aspect of our lives?