Before Alexa, before Siri, and even before the meme-ified Clippy, there was Microsoft Bob and his rad pad. You knock, and the ever-faithful Rover lets you in. Your eyes adjust as you step into an…

Before Alexa, before Siri, and even before the meme-ified Clippy, there was Microsoft Bob and his rad pad. You knock, and the ever-faithful Rover lets you in. Your eyes adjust as you step into an…