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If an average user of email feels the need for privacy
and authentication, and acquires PGP with that
purpose in mind, will PGP's current design allow that
person to realize what needs to be done, figure out
how to do it, and avoid dangerous errors, without
becoming so frustrated that he or she decides to give
up on using PGP after all?
Whitten and Tygar “derived the following question on which to focus our
An average user of email acquired PGP?
In what alternate universe did that happen?
"The basics of asymmetric cryptography are fundamental concepts that
any member of society who wants to understand how the world works, or
could work, needs to understand. They are as fundamental as the basics of
supply and demand and monetary inflation."
“Computational thinking is thinking recursively … using abstraction and
decomposition … separation of concerns … choosing appropriate
representations … modularizing … “
Organizing feeds into categories
The HTML/PDF/RSS fallacy
How humans represent calendar events:
“Why Johnny Can’t Syndicate, Jon Udell, Ehrlicher
Room, 3100 North Quad, Jan 18 at noon”
How computers represent calendar events:
SUMMARY:Jon Udell: Why Johnny Can’t Syndicate
LOCATION:Ehrlicher Room, 3100 North Quad
and Culture Hub
and Business Hub
State Hub A: Arts and Culture
Ann Arbor music
Ann Arbor art
Grand Rapids art
State Hub B: Tech and Business
Ann Arbor tech
Ann Arbor business