1. One or more computer storage media implemented at least in part on hardware and including executable instructions that, when executed by a computing device, cause the computing device to implement a platform configured to: receive text from an application for processing by one or more linguistic services; based on one or more service properties of respective said linguistic services that are relevant to the application, designate which of a plurality of linguistic services is to be available for use by the application and obscure one or more others of said linguistic services from the application; and form a communication to communicate the text to a designated said linguistic service.