BKC's Valentin Weber and co-authors examine the Apple, Google and Tencent app stores and the availability of privacy apps on them, discovering most major VPN apps are still available on the Apple and Google app stores in Russia. However, on the Apple and Tencent app stores in China, there are close to none. "Why should one care? Billions of users interact with and download apps on major app stores on a daily basis. It is important for them to know why certain apps that they might have been using, or would want to use to freely access information on the internet, are not accessible anymore."