2. • What happened after the earthquake?
• sinsai.info
• 3 months after 11th March
• What can you do ?
3. • Lives in London
• In charge of international communication at
sinsai.info (@sinsai_info_en)
• A developer (Ruby On Rails at @newbamboo )
with No prior volunteer experience nor interests
until Mar 11th 2011
4. • More than 15,000 people were killed.
• There are still another 8,000 people missing.
http://www.flickr.com/photos/dugspr/5541815267/in/set-72157626305323978
5. • Roads were completely disrupted.
• Electricity and cell-phone networks were washed away.
• Cell-phone were useless more than 24hrs even in Tokyo.
http://www.flickr.com/photos/dugspr/5549191112/in/set-72157626305323978
6. • Data explosion
• Data curation
• Curated system
7. - Report by NEC Big Globe
- 3/11 ~ 4/11
- 73,694,790
- Average Tweet per day (before) = 18,000,000 http://gigazine.net/news/20110427_earthquake_twitter/
- Average Tweet per day (3/11) = 33,000,000
- Average Tweet per day (after) = 22,000,000
8. - Before (31 % entertaintment, 25 % animation,
7% transportation, 5% earthquake) http://gigazine.net/news/20110427_earthquake_twitter/
- After (72% earthquake, 8% transportation)
9.
10. - initially people were spreading
hashtags
- Twitter announced official hashtags
and advised not to put more than 2
hashtags per t weet. #311sppt is only
for people requesting help from the
disaster area
11. @takepon_jp [pls RT] Looking for my friends, 20
yrs old, height 150cm, black hair with partially
blonde
12. @takepon_jp [pls RT] Looking for my friends, 20
yrs old, height 150cm, black hair with partially
blonde
Celebs with many followers acted as hubs to spread
important information
13.
14. John Roos is US ambassador to Japan
Some people were directly reaching
influential figures
http://www.usatoday.com/tech/news/2011-04-11-japan-social-media_N.htm
15. “Good morning. In less than an hour, aircraft from
here will join others from around the world. And
you will be launching the largest rescue in this
history of mankind.......”
- Operation “Tomodachi” -
http://www.usatoday.com/tech/news/2011-04-11-japan-social-media_N.htm
16. “Good morning. In less than an hour, aircraft from here
will join others from around the world. And you will be
launching the largest aerial battle in this history of
mankind........”
- Independence Day , President Speech -
http://longtailworld.blogspot.com/2011/03/operation-tomodachi-is-real-but-obamas.html
http://www.usatoday.com/tech/news/2011-04-11-japan-social-media_N.htm
17. - Confused information (Partially correct)
- Lack of scientific backing
- False announcement
- Criticising / praising government, political
parties, celebrities, companies
- Joke, Racism
Not all the information was curated properly.
The use of unofficial “RT” made it difficult to
delete the original t weet even after the
information is false. Twitter announced to
encourage the use of official t weet
http://www.kotono8.com/2011/04/08dema.html
http://www.usatoday.com/tech/news/2011-04-11-japan-social-media_N.htm
18.
19. - Google person finder
- launched after 2 hrs
- over 600,000 records
- Integrated with Picassa to convert name list from
evacuation Center into the system with crowd source.
20.
21. We need help! We are stuck in
isolation at Akasaka hospital and
getting suffer. Please spread this
information to the others.
I made a phone-call to Self-
Defence force and they said
they would go help ASAP
...
22. • Geo tagged report using Open Street
Map
• Directly from the form & via twitter
• Monitored , geotagged, and moderated
by volunteers
• Launched within 4 hrs
