The KiSSmetrics Ruby SDK by Kissmetrics allows API communication to implement marketing optimization features into applications. It aims to engage users and analyze behaviors for customization purposes. In the usage section, developers can access methods with an Api Key.
Google has agreed to acquire the majority of Twitter's developer suite, including Fabric and Crashlytics. The goal is to ensure developers have access to the best possible tools for creating apps. Google says developers should keep their ear to the ground about potential changes.