Rosetta Stone Athanasius Kircher in the 17th, and Georg Zoëga in the 18th. The discovery of the Rosetta Stone in 1799 provided critical missing information, gradually revealed by a succession of scholars, that eventually allowed Jean-François Champollion to solve the puzzle that Kircher had called the riddle of the Sphinx. The Greek text on the Rosetta Stone provided the starting point. Ancient Greek was widely known to scholars, but they were not familiar with details of its use in the Hellenistic period as a government language in Ptolemaic Egypt; large-scale discoveries of Greek papyri were a long way in the future. Thus,
Rosetta Stone Ltd. v. Google, Inc. per click basis. In 2004, Google changed its policy and began allowing advertisers to bid on trademarked words. In 2009, Google further changed its AdWord policy now allowing use of trademarks both in advertising text and as advertisement keywords. As a result of the policy change, more than twenty lawsuits were filed against Google alleging trademark infringement. In response to the changed AdWord policy, Rosetta Stone, the maker of popular foreign language learning software, filed suit against Google for violating the Lanham Act, claiming Google was "helping third parties to mislead consumers and misappropriate the Rosetta Stone Marks by using