Köppen climate classification | Portable Document Format | British undergraduate degree classification | British Board of Film Classification | Visa (document) | Points classification in the Vuelta a España | Mountains classification in the Giro d'Italia | Document management system | Biological classification | Race (classification of human beings) | Document Object Model | Dewey Decimal Classification | Bordeaux Wine Official Classification of 1855 | visa (document) | Stellar classification | Mathematics Subject Classification | Library of Congress Classification | Identity document | Classification of discontinuities | Race (human classification) | Office of Film and Literature Classification | Classification of Champagne vineyards | Young rider classification in the Tour de France | Settlement classification in Mexico | Office of Film and Literature Classification (Australia) | Mountains classification in the Vuelta a España | Irish Film Classification Office | International Patent Classification | International Association of Classification Societies | identity document |
EchoMail's core technology originated from VA Shiva Ayyadurai's invention for classifying inbound email for the U.S. White House, which was seeking a reliable encryption and classification system for U.S. President Bill Clinton's email.