The gang is having fun using the X-10 system to send signals across the Internet and around the world from their apartment. Penny who joins them then asks "Why?", only to be met with a unified answer of "because we can". The guys also have a collection of remote-controlled cars in the apartment, equipped with wireless cameras, and these too are being controlled remotely in other countries. As Penny stands in the doorway, the cars move to her, between her feet with webcams pointed up her skirt. Sheldon recommends that she wear pants. After Penny leaves, disgusted, we learn that Howard was controlling one of the vehicles
