At least with Google Now, you can go into your Google Account and listen to recordings of everything you've ever asked via voice search: https://myactivity.goo

At least with Google Now, you can go into your Google Account and listen to recordings of everything you've ever asked via voice search: https://myactivity.google.com/item?product=29 https://myactivity.google.com/item?product=29 (If the Product 29 parameter doesn't work, click on "Item View" in the left and filter by "Voice & Audio".)