Some videos of the new Brown Dog Google Chrome extension allowing the Data Tilling Service (DTS), based off of NCSA Medici, to be called on arbitrary pages in order to index collections of data.  Note the text in the queries is not part of the page or images on the page but being extracted from the image contents using cloud hosted tools within the DTS, specifically the face detector within OpenCV and the Tesserct OCR engine.  The DTS will host a suite of such tools and make it easy for users to add additional tools: