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CaBi Hack Night is a show & tell of apps and data visualizations about Capital Bikeshare ( Read about CaBiHackNight I ( and II ( and III ( to get an idea of how it works. Doors open at 6:00; presentations start at 6:30. Note we are at 1776's Crystal City location, in Arlington, VA.

If you have a cool CaBi project and would like to join the show & tell, please contact Michael ( So far our speakers are:

• Matt Caywood ( of TransitScreen (, sharing his study ( of how long you should wait at empty/full bikeshare stations.

• Anna Petrone ( will show us a way to calculate the amount of rebalancing needed between bike stations.

• Matthew Ficke ( will show his app that predicts the likelihood of finding a full or empty station.

• Nico Staple ( will show how he made a CaBi app ( that shows dock statuses.

• Malynda Chizek Frouard ( show how she adapted Chicago's DivvyBrags system into CaBiBrags (

• Mike Azar ( will show how he made bike W20167 a star (

• Harley Cooper will show how Foursquare ITP ( used CaBi trip data to develop a policy framework and expansion plan in the CaBi Development Plan (

• Michael Schade ( will show how he animated CaBi data.

1776CC has two bikeshare ( stations nearby, and is close to the Crystal City Metro station ( on the Yellow and Blue lines. The building has underground parking (park in the green zone); free if you enter the garage after 4pm. The neighborhood has more free parking (

This event is possible thanks to generous support from our sponsors. Thank you to 1776 ( and Mobility Lab ( for the space, the Crystal City Business Improvement District ( for the beverages, and Mobility Lab for the food and help with organizing.

As always, stay tuned to @techiesdc ( for updates. Our hashtag is#cabihacknight (