Over a billion people signed up for Facebook. Half of them in the last year. This site the most used site for people when using the Internet. People are not watching TV anymore - its using Facebook and Youtube and these other web sites. What powerful force draw them to this. Some people denote their time working for others online. What drives people to write an article on Wikipedia? They don´t get paid. Companies are enlisting people to help with innovations and sites such as Galaxy Zoo ask people to help identifying images. And why do people have to film themselves singing and post the video on Youtube? In this lecture we talk about how people are using the web to interact in new ways, and doing stuff.

1. Lecture L18
THE SOCIAL LAYER

3. before social media?

4. READ ONLY CULTURE

5. CONSUMERS

6. STANDARDISED, INDUSTRIALISED

7. before broadcasting?

8. SINGING THE SONGS OF THE DAY

9. CONVERSATION

10. First email
sent
1971
First online
bulletin board
1979
World Wide
Web
1991
GeoCities
1994
Instant Messages IM
1996
BROADCASTING
1970 20101980 1990 2000 2010
TheGlobe.com
1995
LiveJournal
P2P, Napster
1999
Friendster
2002
MySpace
Linkedin
Photobucket
Delicious
2003
Facebook
2004
Youtube
2005
Twitter
2006
END OF
BROADCASTING

11. END OF
BROADCASTING

17. YouTube's Origins as a Dating Site

19. The tools of
production
are in people’s
hands

20. What happens
when you connect people

22. Why do People share?

23. Why do People Contribute?

24. Why does Open Source work?

26. PRISONER’S DILEMMA

28. THE NEW
SHARING
ECONOMY

29. HIERARCHAL NETWORK
20th Century 21th Century

39. http://www.flickr.com/photos/piet_musterd/
Crowdsourcing

42. Source:
Picutre
from
IMDb,
Film
Juno

43. Source:
Picutre
from
Amazon.

44. Source:
http://www.flickr.com/photos/webrevenu/

46. Source:
Facebook

50. Network effect

52. Source:
Wikipedia
!
!
1.23
billion
people

65. Disruption

66. http://www.flickr.com/photos/leoste
Organizing

67. The Rise of Collaboration
Citizen
Journalism

73. Nada

75. Julia
Klöckner,
of
chancellor
Angela
Merkel’s
CDU,
told
her
Twitter
“followers”
on
that
afternoon:
“People,
you
can
watch
the
football
in
peace.
The
vote
was
a
success.”

77. “four more years”
In
three
hours,
the
message
had
been
re-­‐tweeted
about
455,000
times
770.000 retweets

78. 3 million retweets

80. Source: Belle Beth Cooper
http://blog.bufferapp.com/10-new-twitter-stats-twitter-statistics-to-help-you-reach-your-followers

81. Launched September 2011
Snapchat
Users: 27 million (US)
Popular with users age 13-23

82. Launched October 2010
Instagram

85. NEXT:
!
LOCAL or Predictive Intelligence