Casual Privacy (Ignite Web2.0 Expo)

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  • + guest64a0b9 guest64a0b9 2 years ago
    Thankk you soo m :)



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  • + kellan Kellan 2 years ago
    Just an FYI folks this is last years *5 minute* version. I’ll be posting this years full version soon!
  • + ovdwacht ovdwacht 2 years ago
    I’m missing the point, I guess...

  • + geodog geodog 3 years ago
    It was a great presentation. Lots of food for thought.
  • + kellan Kellan 3 years ago
    Thanks! I’ll make sure to post a link to the video when its up.

    Rashmi I hear your talk at Web2Open was great!
  • + rashmi Rashmi Sinha 3 years ago
    This presentation is giving me a lot of food for thought. The approach is similar to one of the ideas we were considering for privacy on SlideShare. Thanks for sharing!
  • + rabble Rabble . 3 years ago
    Looks great, too bad i missed you presenting it.
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Casual Privacy (Ignite Web2.0 Expo) - Presentation Transcript

  1. Casual Privacy “ a design pattern for sharing non-public information using out-of-band exchange of unguessable tokens.” because most privacy isn’t worth it.
    • Privacy is more trouble then its worth right now. Some people share in public, some people give up.
    How to do we get more people to share more information, and more interesting information? Is there information you’re sharing more widely right now then you feel comfortable with? Is there information you’d share with more people if it was easy that you don’t want to tell GoogleBot? Assertion: Open Questions:
  2. Current Privacy Options 1. Share Nothing 2. Share Everything 3. Manage a crowd
  3. Everything Private Sucks
    • Lonely!
    • No wisdom of the crowds
    • Web 1.0!
    • We’d all be out of jobs!
  4. Share Everything?
    • Default Web 2.0 assumption (Flickr, del.icio.us, Upcoming, Twitter)
    • Not everyone can, will
    • On Flickr people want to share (privately)
    • Kids
    • Home
    • Weddings
    • Last nights party
  5. Sharing: Because it works!
    • Outboard brain
    • Wisdom of crowds
    • Serendipity enhancement
    • More valuable then privacy?
  6. Manage a crowd
    • “ Traditional” approach
    • Contacts + Roles
    • Complex
    • Cognitive burden
    • also: ego, anxiety, social pressure, attractive nuisance.
    friend, family, contact, acquaintance, met, co-worker, colleague, co-resident, neighbor, child, parent, sibling, spouse, kin, muse, crush, date, sweetheart, me, friend, family, contact, acquaintance, met, co-worker, colleague, co-resident, neighbor, child, parent, sibling, spouse, kin, muse, crush, date, sweetheart, me, friend, family, contact, acquaintance, met, co-worker, colleague, co-resident, neighbor, child, parent, sibling, spouse, kin, muse, crush, date, sweetheart, me, friend, family, contact, acquaintance, met, co-worker, colleague, co-resident, neighbor, child, parent, sibling, spouse, kin, muse, crush, date, sweetheart, me, acquaintance, met, co-worker, colleague, co-resident, neighbor, child, parent, sibling, spouse, kin, muse, crush, date, sweetheart, me, friend, family, contact, quasi-friend, sort-a-friend, weird-uncle, kith, annoying ex-roomate
  7. Account proliferation!
    • Contact based approach, everyone needs an account.
    • Use ~14 sites roughly daily all designed to share.
    • Small pieces loosely joined hurts now
    • “ a design pattern for sharing non-public information using out-of-band exchange of unguessable tokens.”
    http://flickr.com/gp/86712998@N00/BWk63T SUPER SEKRET URLZ!!1!
  8. Case Study: Flickr Guest Pass
    • http://flickr.com/gp/ + 86712998@N00/ + BWk63Tj7
    • Simple?
    • No authentication
    • No account need
    • No activation
    • No identity
    • You have the token, you're in.
  9. Casual Privacy: Features
    • Its Internet scale by default!
    • Credential are forwardable.
    • Authorization is contextual
  10. OMG Alice isn't trustworthy and leaked the secret token!
    • In practice, accidental not malicious
    • Tokens revokable. Always. Poof!
    • Visual cues
    • Sufficient information
  11. Deniable
    • Don't leak
    • No sequential IDs
    • No hinting
    • Don’t bring the egos back
    • Greenfield: “beneficial hypocrisy”
  12. Hard to Guess
    • 8 places of random alpha-numerics gets you a really big search spaces
    • 2,251,875,390,625
    • Extra fun? Make your tokens checksumable
  13. History Of
    • Odeo, 2005
    • Quicktopic, 1999
    • High school rave, 1992
  14. Worse is Better
    • More flexible
    • Network effects make databases cry
    • Everybody less anxious
  15. Casual Privacy: Checklist
    • Simple
    • Forwardable/sharedable
    • Revokable
    • Deniable
    • Visual Indicators
    • Hard to guess
    • Easy to implement
  16. Security Concerns
    • Don’t use in feeds (aggregator data hygiene sucks!)
    • Proxies cache URL. HTTP headers can help
    • document.location.hash
  17. Future Work
    • Data fuzzing
    • URL decay
    • Ben Adida’s BeamAuth
    • Build it already!
    • http://flickr.com/photos/dirtyfeet/217931104/
    • http://flickr.com/photos/lalunablanca/62556584/
    • http://flickr.com/photos/mesolimbo/86561068/
    • http://flickr.com/photos/merlin/13374753/
    • http://flickr.com/photos/fetching/387574792/
    • http://flickr.com/photos/stewart/459153074/
    • http://flickr.com/photos/oybay/111504290/
    • http://flickr.com/photos/68888883@N00/274651759/
    • http://flickr.com/photos/laughingsquid/390813713/ - Scott Beale / Laughing Squid (laughingsquid.com)

+ Kellan Kellan , 3 years ago

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My "casual privacy" talk from Ignite on the Web 2.0 more

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