Choices: Dark spots, light spots and Apple's protest

How’s this for bad choices?

A recent study by a Harvard group contended with the position of U.S. intelligence agencies that tracking possible terrorists was becoming more difficult because there are too many “dark spots” — places where data can be encrypted to prevent tracking. Harvard “reassured” the FBI, CIA and others that new technologies embedded in common objects will provide (or already provide) plenty of additional tracking opportunities.

What are these? How about toothbrushes, toys (yes, Barbie dolls), televisions and light bulbs, just for starters? These are the “Internet of things,...