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?

Thousands of posters, books, videos, and social media exhort us to take four minute showers, eat vegan, carpool, and recycle in order to slow global warming and save Planet Earth, and yet, we have to ask, do these individual efforts really amount to much?