Rome related to the talking statues, include those of the Ponte Sant'Angelo, or several monuments scattered across the city, such as that to Giordano Bruno in the Campo de'Fiori. The city hosts eight ancient Egyptian and five ancient Roman obelisks, together with a number of more modern obelisks; there was also formerly (until 2005) an ancient Ethiopian obelisk in Rome. The city contains some of obelisks in piazzas, such as in Piazza Navona, St Peter's Square, Piazza Montecitorio, and Piazza del Popolo, and others in villas, thermae parks and gardens, such as in Villa Celimontana, the Baths of Diocletian, and the
Piazza (web service) answers and viewing more detailed statistics on class activity. The Piazza team is based in Palo Alto, California. In November 2011, Piazza launched iOS and Android mobile apps which would allow students share their ideas and get their queries answered. 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