Ranking: A simple and yet very hard problem Tomoaki Suzuki (Figure 1), an App Engine lead engineer at Applibot, has been trying to solve the very common, yet very difficult problem faced by every large gaming service: Ranking. Figure 1: Tomoaki Suzuki, App Engine lead engineer at Applibot, Inc. Applibot is one of the major social application providers in Japan. The uniqueness of the company is the
![Fast and Reliable Ranking in Google Datastore | Cloud Datastore Documentation | Google Cloud](https://cdn-ak-scissors.b.st-hatena.com/image/square/0e132c7916d37a3584f9bf1740f19a7c8aaf839e/height=288;version=1;width=512/https%3A%2F%2Fcloud.google.com%2F_static%2Fcloud%2Fimages%2Fsocial-icon-google-cloud-1200-630.png)