2 ソーシャルメディアの普及がもたらす変化

1 2 2 1 ICT Facebook Twitter SNS YouTube LINE 4-2-1-1 2000 Facebook 2015 3 14 4-2-1-2 2000 4-2-1-2 Facebook Twitter 02004006008001,0 001,2 001,4 001,6 00 3 2 00 14 4,100 TwitterFacebook2011 3 2011 6 2011 9 2011 12 2012 3 2012 6 2012 9 2012 12 2013 3 2013 6 2013 9 2013 12 2014 3 2015 3 2014 6 2014 9 2014 12 1 1 4-2-1-1 Seesaa SNS Facebook Twitter mixi Instagram LinkedIn YouTube Vine LINE WhatsApp Viber WeChat ICT 27 27 2 199 ICT

2 4 2 1 1 PwC 2013 150 2025 3,350 4-2-1-3 2008 airbnb 1 4-2-1-4 4-2-1-4 AirbnbAirbnb 2008 8 WEB 190 34,000 100 2 UberUber 2010 6 GPS ICT Uber uberX UberTAXI LyftLyft 2012 8 Facebook 3 DogVacayDogVacay 2012 WEB RelayRidesRelayRides 2012 2.

3 100 300 TaskRabbitTaskRabbit 2011 7 Prove TrustProve Trust 2014 ICT 27 AirbnbAirbnb 4-2-1-5 ID Facebook SNS 4-2-1-3 15335010 020 030 040 0 10 2013 2025 5 PwC The sharing economy - sizing the revenue opportunity 1 2 airbnb 3 KDDI R&A 2013 7 4-2-1-5 airbnb 3% 6 12% airbnb ICT 27 27 2 200 4 ICT 2 airbnb 2008 2015 190 34,000 100 4 airbnb airbnb 4-2-1-6 airbnb 56 214 5 UberUber GPS ICT 4-2-1-7 57 6 uberX uberTAXI UberBLACK UberSUV UberLUX uberTAXI UberBLACK UberLUX 3 uberX uberX 1 20 7 90,000 74.

4 000 8 Prove Trust Facebook Prove Trust Facebook Craigslist 4-2-1-7 Uber Uber ICT 27 4 airbnb 5 airbnb 6 Uber 7 Uber 8 Uber 9 Prove Trust #!/p/example 4-2-1-8 Prove Trust Prove Trust 9 4-2-1-6 airbnb airbnb 27 2 201 ICT 4 2 airbnb Real Score Social Score Feedback Score 4-2-1-8 TrustCloud 2 10 4-2-1-9

5 20 4-2-1-10 4-2-1-10 30 40 50 60 400400400400400 02040608010020 30 40 50 60 400400400400400 ICT 27 10 5 4-2-1-9 % n 2, ICT 27 27 2 202 4 ICT 2 6 1 2 4-2-1-11 C2C 20 4-2-1-12 4-2-1-12 20 n 271 n 284 n 289 n 302 n 327 %

6 20 n 287 30 n 297 40 n 307 50 n 307 60 n 345 020406080 % ICT 27 4-2-1-11 10203040506070 n 1,473 n 1,543 % ICT 27 27 2 203 ICT 4 2 akippa akippa akippa 2014 4 4-2-1-13 4-2-1-14 1 7 1 500 1.

7 000 6 2016 10 20 40 2014 2 8 2014 9 2015 3 11 Google 24 4-2-1-13akippa akippa 4-2-1-14 akippa Any Times Any Times 2013 9 Any Times Any Times Any Times 4-2-1-15 40 60 20 4-2-1-15 Any Times 27 2 204 4 ICT 2 C2C C2C 11 4-2-1-16 AsMamaAsMama2009 Facebook Twitter SNS 500 SNS hakobitoRAWHIDE2006

8 2013 PC RoomStay 2011 37 239 2013 .com 2009 ICT 27 5 12 3 4-2-1-17 60 4-2-1-18 11 12 4-2-1-17

9 N 1,752 n 2,000 n 2,000 % ICT 27 27 2 205 ICT 4 2 4-2-1-18 30 40 50 60 % n40040040040040002040608010020 30 40 50 60 % 02040608010020 30 40 50 60 % n332373368309370 ICT 27 5 6 3 1 2 4-2-1-19 C2C

10 20 4-2-1-20 4-2-1-19 10 20 30 40 50 60 70 n 762 n 1,378 n 1,471 % ICT 27 27 2 206 4 ICT 2 4-2-1-20 20 n 143 n 154 n 158 n 160 n 147 %