Currently, the only documentation I've seen for extending Siri depend on an app running on a particular device. More than anything else, this device-centric fo

Currently, the only documentation I've seen for extending Siri depend on an app running on a particular device. More than anything else, this device-centric focus is holding Siri back when compared to Alexa and Google Home. Am I missing something? Has there been any announcement that third party developers could add skills or actions across all Siri instances via the cloud?