... Hacks will be as useful to others as the O'Reilly publications have been to Google. With the largest collection of web documents in the world, Google is a reflection of the Web. The hacks ... name suggests, file type specifies filtering your results by a particular file type (e.g., Word DOC, Adobe PDF, PowerPoint PPT, plain text TXT). Add a PowerPoint file type filter, for example, ... or URL). Search engines evolved rapidly, trying to encompass all the nuances of the billions of documents online, and they still continue to evolve today. Google™ threw its hat into the ring...