Privacy Risks Online David Wagner, C79, 4/2/2013 Tuesday, April 2, 13
Who is Ghyslain Razaa? Tuesday, April 2, 13
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Who is Thelma Arnold? Tuesday, April 2, 13
Thelma Arnold Tuesday, April 2, 13
Thelma Arnold AOL user 4417749 Tuesday, April 2, 13
movies for dogs best dog for older owner loneliness tea for good health mature living landscapers in lilburn, ga school supplies for Iraq children homes sold in shadow lake subdivision gwinnett county georgia safest place to live the best season to visit Italy hand tremors dry mouth bipolar eugene oregon jaylene arnold ... Tuesday, April 2, 13
movies for dogs best dog for older owner loneliness tea for good health mature living landscapers in lilburn, ga school supplies for Iraq children homes sold in shadow lake subdivision gwinnett county georgia safest place to live the best season to visit Italy hand tremors dry mouth bipolar user 4417749’s eugene oregon jaylene arnold AOL searches ... Tuesday, April 2, 13
how to kill your wife wife killer poop dead people pictures of dead people killed people dead pictures murder photo steak and cheese photo of death death dead people photos photo of dead people www.murderpeople.com decapitated photos ... Tuesday, April 2, 13
how to kill your wife wife killer poop dead people pictures of dead people killed people dead pictures murder photo steak and cheese photo of death death dead people photos photo of dead people user 17556639’s www.murderpeople.com AOL searches decapitated photos ... Tuesday, April 2, 13
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What’s going on here? Tuesday, April 2, 13
information scarcity information Tuesday, April 2, 13
information abundance information Tuesday, April 2, 13
“big data”: companies collect lots of data about you Tuesday, April 2, 13
others disclose information about you Tuesday, April 2, 13
you disclose information about yourself Tuesday, April 2, 13
you disclose information about yourself (for better or worse) Tuesday, April 2, 13
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that was 2009. Tuesday, April 2, 13
that was 2009. today? Tuesday, April 2, 13
that was 2009. today? 69% of employers have rejected applicants based upon content found on social networking sites. Tuesday, April 2, 13
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you disclose data about yourself Tuesday, April 2, 13
you disclose data about yourself (for better or worse) Tuesday, April 2, 13
Liked a page about sexual orientation 2.3 million Discuss “recreational use of alcohol” on wall 2.6 million Liked a page with details about health condition 4.7 million Full birth date on profile 20 million Tuesday, April 2, 13
why? Tuesday, April 2, 13
why do people post stuff they later regret? Tuesday, April 2, 13
why do people say they are concerned about privacy, but then act differently? Tuesday, April 2, 13
why do people say they are concerned about privacy, but then act differently? 67% of consumers “very concerned” about privacy [FTC2000] yet, most consumers willing to bargain away privacy for even minor rewards Tuesday, April 2, 13
what factors influence human behavior around privacy? Tuesday, April 2, 13
why? Tuesday, April 2, 13
because we don’t realize the risk Tuesday, April 2, 13
Facebook learns what web sites you visit: a. only if you consent when you sign up b. only on web sites that you log into via your Facebook account c. on most popular sites d. in some cases, but privacy law prevents Facebook from sharing this information with others Tuesday, April 2, 13
A Facebook app gets information about you: a. only if your profile is public b. only if you consent at the time when the app accesses your information c. only if the app is approved by Facebook d. only if you install the app Tuesday, April 2, 13
63% of Facebook users haven’t customized privacy settings for apps Tuesday, April 2, 13
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bounded rationality Tuesday, April 2, 13
we often accept the defaults Tuesday, April 2, 13
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because companies have an incentive to get us to share more Tuesday, April 2, 13
salience Tuesday, April 2, 13
when you’re focused on a task (e.g., checking out a new Facebook app), you tend to ignore distractions (e.g., the disclosure consent screen) Tuesday, April 2, 13
delayed feedback Tuesday, April 2, 13
delayed feedback + no connection between action and consequence Tuesday, April 2, 13
discounting Tuesday, April 2, 13
discounting (immediate gratification outweighs future risks) Tuesday, April 2, 13
$50 today $100 in 1 year Tuesday, April 2, 13
$50 today 1% chance of $10,000 in 1 year Tuesday, April 2, 13
$50 loss today 1% chance of $10,000 loss in 1 year Tuesday, April 2, 13
nothing $50 today + 1% chance of $10,000 loss in 1 year Tuesday, April 2, 13
do nothing post to Facebook: fun today, tiny chance I’ll regret it later Tuesday, April 2, 13
prospect theory Tuesday, April 2, 13
600 people are infected and going to die Tuesday, April 2, 13
600 people are infected and going to die save 200 people 1/3 chance of saving 600 (2/3 chance of saving no one) Tuesday, April 2, 13
600 people are infected and going to die save 200 people 72% 1/3 chance of saving 600 (2/3 chance of saving no one) Tuesday, April 2, 13
600 people are infected and going to die Tuesday, April 2, 13
600 people are infected and going to die 400 people will die 2/3 chance that 600 will die (1/3 chance that 0 will die) Tuesday, April 2, 13
600 people are infected and going to die 400 people will die 2/3 chance that 600 will die (1/3 chance that 0 will die) 78% Tuesday, April 2, 13
facing gains: Tuesday, April 2, 13
facing gains: lock in sure gains Tuesday, April 2, 13
facing gains: lock in sure gains risk-averse Tuesday, April 2, 13
facing gains: lock in sure gains risk-averse facing losses: Tuesday, April 2, 13
facing gains: lock in sure gains risk-averse facing losses: gamble for chance at no loss Tuesday, April 2, 13
facing gains: lock in sure gains risk-averse facing losses: gamble for chance at no loss risk-seeking Tuesday, April 2, 13
makes evolutionary sense... Tuesday, April 2, 13
makes evolutionary sense... ...but makes people underestimate low-probability risks Tuesday, April 2, 13
implications for other fields? Tuesday, April 2, 13
preventive medicine Tuesday, April 2, 13
Tuesday, April 2, 13
Aviation safety Tuesday, April 2, 13
the future is coming Tuesday, April 2, 13
• given just a low-quality photo of you, researchers were able to recognize you and find your Facebook profile 40% of the time • de-anonymized 15% of users on a dating site, using just their picture Tuesday, April 2, 13
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new technology will be awesome Tuesday, April 2, 13
new technology will be awesome ...and possibly a little frightening Tuesday, April 2, 13
this is your future! Tuesday, April 2, 13
backup slides Tuesday, April 2, 13
“you have no privacy anyway, get over it” Tuesday, April 2, 13
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