3. Facebook 1 1 10
Zynga FarmVille Zynga CityVille

4. ×
DL DL 7.5
DL 10
1/2
: Free-to-play business model starting to generate a “geiser of money” for iPhone game makers (2010/7/15,VentureBeat)
...

5. Zynga Playfish Playdom Rockyou Crowdstar ... DeNA GREE GMO ...
Facebook, Apple GamecCenter, OpenFeint ... DeNA GREE mixi ...
Facebook Apple AppStore, DeNA GREE mixi
AndroidMarket ... ...

6. Zynga Small GMO
Playfish
$500m SAP
playdom
Rockyou Crowdstar
DeNA
GREE
mixi
SGN*1
Facebook $1.2B
$1.1B
Android
Market
App Store $60M
$2.4B

7. 51
58
7
22
13
42
7

9. :

10. :

11. PV

13. :

14. 10% 51% 39%
22% 34% 44%
25% 41% 33%
10% 16% 74%
23% 45% 32%
49% 52%
52% 48%
58% 42%
56% 44%
68% 32%

17. ( ) SNS MUMSS

18. Sillicon Alley Insider (2011/1)

19. mixi 70%
GREE 50%
Sillicon Alley Insider (2011/1)

22. 271
192 260
120 248
792
225
653
510
Virtual Goods Lead Generation Offers Advertising
eMarketers (2010/1)

23. 310
276
334
232
352
192 392 705
165 343 527
255
340
213
133
3G
Morgan Stanley: Mobile Internet Report (2009/12)

24. : :
Neilsen Company (2010/10)

25. DISTIMO (2011/1)

26. Zynga GMO
Playfish
$500m
playdom
Rockyou Crowdstar
DeNA
GREE
mixi
SGN*1
Facebook $1.2B
$1.1B
Android
Market
App Store $60M
$2.4B
Google
Amazon ...
SGN: Social Gaming Network ... GameCenter, OpenFeint, ngmoco

30. Socialmedia Dynamics