Check out this bit of weirdness:A botnet of irons and kettles
Not sure wether such things really happen: it seems a lot of expense and work to glean measly amounts of information, bu that's just my view. Perhaps if the appliances were targeted to "people of interest" by sneakret agencies it would make sense for them. . . .
Imagine the headlines:
"Man's infidelity exposed by his coffee maker" . . . You can probably make up some great ones here.