promoting location privacy… one lie at a time
DESCRIPTION
"Promoting location privacy… one lie at a time"Talk at Imperial workshop on PrivacyTRANSCRIPT
promoting location privacy…
promoting location privacy… one lie at a time
daniele quercia
meets
mobile phone location data
recommend social events…
…upon aggregate location data
upon aggregate location data…
upon aggregate location data…
upon aggregate location data…
upon aggregate location data…
#fail $
aggregate data:= data mashup
!!! Public vs. Publicized
Aggregate Data: A tale of disrupted social expectations
share it all[by Facebook CEO]
share it all[by Facebook CEO]
share nothing[by Wisdom of the Granmother’s Foundation]
share it all[by Facebook CEO]
share nothing[by Wisdom of the Granmother’s Foundation]
share fake data[by Us]
share fake data[by Us]
Idea:
true location + + “99” fake locations
true location + + “99” fake locations
true location + + “99” fake locations
true location + + “99” fake locations
#phones?
(random) fake locations
Tube passengers in London & car drivers in Zurich: accurately estimate #people
Tube passengers in London & car drivers in Zurich: accurately estimate #people (18% error with 99% fake locations)
(random) fake locations
(random) fake locations
Evade paying taxes?Don’t answer! Flip a coin instead
Yes!
[truth]
true location + + “99” fake locations
true location + + “99” fake locations
true location + + “99” fake locations
promoting location privacy… one lie at a time
Future
Future 1|social norms
Future 2|reintroducing forgetting