Abstract: To improve efficiency of computing devices and improve the user experience thereon when searching for content items, the systems and methods disclosed herein provide content item and source detection. Non-textual input is converted to a searchable format and corresponding content items are searched for based on the searchable format.

Abstract: Aspects of the subject matter described herein relate to customizing content to the capabilities of a device. In aspects, an editor uses an editorial tool to specify criteria applicable to content. The criteria include rules to apply in generating content based on quantized capabilities of devices. A publishing component that receives a request for content first detects the capabilities of the requesting device. Then, the publishing component classifies the capabilities of the device and applies the criteria to the classifications in customizing content to deliver to the device.