 Discrete data: do the lines between mean anything?  When do you use area charts: does the area mean anything or is it for visual effect?  Stacked charts: only if equivalent numbers  Axes: log, change values  Titles and labels

“The right to be alone” Warren and Brandeis, 1890 “zone of inaccessibility” Edmund Byrne, 1998

 “All this secrecy is making life harder, more expensive, dangerous …” Peter Cochran, BT Research  “You have zero privacy anyway.” Scott McNealy, Sun  “By 2010, privacy will become a meaningless concept in western society” Gartner report

 Secrecy › Limiting dissemination of information  Anonymity › Protection from undesired attention  Solitude › Lack of proximity Ruth Gavison 1984

 Deception  Crime  Isolation  Lack of Support

 Extrinsic loss of freedom › Ability of others to control our behavior › Coercion or imposition of others’ wills  Intrinsic loss of freedom › Changes how we behave › “anticipatory conformity”  Autonomy requires privacy

 In order to trust others, need to know something about them › Privacy impedes  In order to build STRONGEST trust between two people, need to create a bond › Requires privacy

Privacy and relationships How is it different from pre- computers/networks? –Electronic alter ego Identity convergence

–Privacy is not absolute in society … why ? –Willing to divulge SOME information in exchange for SOME economic or social benefit…. BUT reasonable expectation about how it’s treated…

My right to informational privacy vs. others’ right to know vs. security Does it have to be versus? Is it really a zero-sum game?

Shouldn’t I have a say? Why should I care? –Decisions made about us –Effect if data are Incomplete? Erroneous? Sensitive?

 Go to the court or town hall  Go through trash  Interview people  Eavesdrop/wiretap  Surveillance  Breaking and entering

 Public records easier to find  Publications spread faster  Surveillance  Keeping records of what you do on the web › Shopping › Surfing › Searching  Breaches

 The right to have information that you don’t expect to be available to others remain that way  On many sites, you give up your right to privacy  But there are also other more insidious ways  Google Dashboard

 Transparency and Control: knowing what is being collected  Anonymity  Security › Data breaches chronology Data breaches

 Cookies › Web site retaining cookies for 5 years  Sniffing, Snarfing, Snorting › Forms of capturing packets over network › Differ by how much info & what is done with it  Surveillance › Different forms? › Google Street View  Data collection and sharing

One should ask: Who has ACCESS? Who should have ACCESS? Need to know? Why? How long is the data kept?

 No Place to Hide No Place to Hide  Big Brother Big Business Big Brother Big Business