Jerry says that the old "can-tenna" hack, where you focus the Wi-Fi signal through a pringles can could help getting better Wi-Fi coverage. Leo says that's not going to punch a digital hole through a concrete and rebar wall. It also would only work one way. It's a fun project, but not really ideal for practical use. Is there a radio app that gets the tech guy show? Leo recommends iHeartRadio on iOS or Android.