This summer, Microsoft’s Online Services Division (OSD) held its First Annual Hack Day for interns at Bing, Bing Mobile and MSN. The competition gave teams of interns a single day to collaborate and create a new app.

Over forty interns showed up to demonstrate 9 apps. The People’s Choice prize was awarded to Peter Huang, Jessica Leung, Daphne Ezer, Zhiyong “Joe” Xie and Etienne Le Grand for building the Sidecar app.

Below, the team discusses Hack Day, interning at Microsoft and the Sidecar app in their own words.

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