Leave Me Alone's homepage lets you use the aha feature before you even sign up.

Leave Me Alone's homepage has a widget in the hero that simply says "Try me."Click it, and you see a fake email subscription disappear Just one click, and you see exactly what using their product is like. With a product this simple, sometimes all it takes is one click to show the feature that matters most, and gives buyers that "aha!" moment. If that's the case for your product, take advantage of it!
