The document discusses a blackout schedule in Chofu after an earthquake. It mentions using social media and services like mailing lists for notifications. The setup is easy and can run on platforms like Heroku.

1. After the Earthquake

2. After the Earthquake

3. After the Earthquake

4. After the Earthquake

5. Chofu Anzen Tweet
Tsukurusha LLC
@jishiha

6. Blackout after the
Earthquake

7. Chofu-shi notified Blackout
Schedule by Keitai Mail

15. twitter gem
+

16. Demo

17. Anzen Tweet
• Can be used for other
services ex. Mailing List
• Easy Setup
• Run on Heroku

19. Thank you