bullet points on social design
Porter
- show causation
- leverage reciprocity
Burka
- consolidating social info removes a level of privacy through obscurity
- people want control, but beware too many prefs
Sieling
- 75% of new magnolia accounts are spam
- captcha does not work
- human gardeners must whitelist new accounts - people get satisfaction out of helping fight spam
Porter- why do people write amazon reviews? Like public recognition, not just altruistic
