Smart plugs are among the coolest new gadgets out there, because they add “smarts” to just about any little device that plugs into a standard wall outlet. Want to control your lamp or coffee maker ...

Add Yahoo as a preferred source to see more of our stories on Google. Seriously, why on Earth would you ever buy a $25 smart plug when you can spend a few extra bucks and get four smart plugs in one?

Ryan is a tech/science writer, skeptic, lover of all things electronic, and Android fan. In his spare time he reads golden-age sci-fi and sleeps, but rarely at the same time. His wife tolerates him as ...