Piazza Navona rock and decapitating some of the larger and smaller figures, after they recognised him by his sneakers. Piazza Navona Piazza Navona () is a square in Rome, Italy. It is built on the site of the Stadium of Domitian, built in the 1st century AD, and follows the form of the open space of the stadium. The ancient Romans went there to watch the "agones" ("games"), and hence it was known as ""Circus Agonalis"" ("competition arena"). It is believed that over time the name changed to "in avone" to "navone" and eventually to "navona". Defined as a public space in
Piazza (web service) Piazza (web service) Piazza is a Q&A web service. It can be described as "mixture between a wiki and a forum" that can be used with learning management systems. The word Piazza comes from the Italian word for plaza—a common city square where people can come together to share ideas and knowledge. Pooja Sankar created the first prototype of Piazza in 2009. By February 2010, Piazza was used by approximately 600 Stanford students. In January 2011, Piazza opened to all institutions, reaching over 330 schools and tens of thousands of students by the summer of the same year. While the