Re: [friam] Delegation is the Cornerstone of Civilization: Sharing in Sandstorm.io

On 8 May 2015 at 15:46, 'Mark S. Miller' via friam
<friam-/[email protected]> wrote:
> Speaking only for myself:
>
> I am not aware of any user testing of this issue. User testing is of course
> great if someone foots the bill. But we should also remember that we all
> make zillions of decisions based on intuition and guesses not backed by
> studies. We cannot afford to do anything else. So lack of user study should
> indeed raise our uncertainty, but it should not mean "we have no idea until
> a study is done". Rather, we do what we do with a zillion decisions we make
> all the time without being able to afford a study -- we argue and criticize
> and build systems and see how people like them.

The reason I ask is because to date we have done a terrible job of
usability in this space, so I don't buy that our intuitions are worth
much. I've been doing some work with a UX researcher recently on
end-to-end crypto, another area in which we have traditionally done a
terrible job, and the gap between what I think users think and what
they actually think is astonishing.

> Regarding the auto-joining, I strongly share this intuition about humans vs
> machines. Much of the difference between the Pet Name Markup Language
> <http://www.erights.org/elib/capability/pnml.html> vs Lambda Calculus is
> based on this same intuition.

Since you mention it, a couple of comments:

a) <pn>Bob<s/>Mom</pn> seems to me to be doing violence to XML or HTML
or whatever markup it is you think you're using.

b) The idea of looking up "Mom" in "Bob"'s namespace seems to violate
the intent of petnames - i.e. I don't care who Bob thinks his Mom is,
I care who _I_ think it is.

c) You want to be able to express more complex relationships, I
would've thought, e.g. Bob's Mom's cleaner.

>
>
>
> On Fri, May 8, 2015 at 2:05 AM, 'Ben Laurie' via friam
> <friam-/[email protected]> wrote:
>>
>> On 5 May 2015 at 17:58, Kenton Varda <[email protected]> wrote:
>> > Hi Cap-talk and Friam,
>> >
>> > Thought you'd find this interesting. We announced the first iteration of
>> > Sandstorm's new sharing model today, borrowing a quote from Marc. :)
>> >
>> >
>> > https://blog.sandstorm.io/news/2015-05-05-delegation-is-the-cornerstone-of-civilization.html
>> >
>> > Note that we're talking about sharing between humans here, which is why
>> > we
>> > allow capabilities from multiple sources to be auto-joined from the
>> > user's
>> > point of view. Humans get confused if they have multiple caps for the
>> > same
>> > document with different rights.
>>
>> I am curious: have you done any usability testing of this model? If
>> so, have you published the results? If not, why not? Would you like
>> to?
>>
>> > But for sharing between computers
>> > (capability passing between apps) we will do no such thing.
>> >
>> > -Kenton
>> >
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>
>
>
> --
>     Cheers,
>     --MarkM
>
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