Lawnba

“Hey, Steve, what’s that thing moving around on your lawn?”

“Oh, that’s my Lawnba.”

“Lawnba?”

“Yeah, it’s like a Roomba, you know, one of those self-propelled robotic vacuum cleaners. The Lawnba is like that, except it’s for your lawn.”

“Are you comfortable with that?”

“With what?”

“Well, with giving a robot something dangerous like sharp blades. Sure, a robot vacuum might not be all that dangerous, but what happens when the robots rebel and your Lawnba uses its sharp blades on you instead of the grass?”

“That’s what a sledgehammer is for, Bob.”

“Yeah. Before you gave it to the Sledgebot!”