<Tr> <Td> United States </Td> <Td> amazon.com </Td> <Td> July 1995 </Td> </Tr> <Tr> <Td> Oceania </Td> <Td> Australia </Td> <Td> amazon.com.au </Td> <Td> November 2013 </Td> </Tr> <Tr> <Td> South America </Td> <Td> Brazil </Td> <Td> amazon.com.br </Td> <Td> December 2012 </Td> </Tr> <P> Amazon allows users to submit reviews to the web page of each product . Reviewers must rate the product on a rating scale from one to five stars . Amazon provides a badging option for reviewers which indicate the real name of the reviewer (based on confirmation of a credit card account) or which indicate that the reviewer is one of the top reviewers by popularity . Customers may comment or vote on the reviews, indicating whether they found a review helpful to them . If a review is given enough "helpful" hits, it appears on the front page of the product . In 2010, Amazon was reported as being the largest single source of Internet consumer reviews . </P>

Which of these is an online marketplace founded by jeff bezos