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Palo Alto civic hackathon aims to spur innovation
Ori Gertstel, right, and Itsik Hazan, left, interact with The Hive, an apparatus resembling a line graph which uses a computer program to pumps air into tubes containing a ping-pong ball to visually show the differences in Palo Alto's city data by year, including water usage, electricity, gas and e-books. Photo by Veronica Weber.

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