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Use your email address as an OpenID

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We're not quite there yet, but soon you'll be able to use any reasonable user identifier as an OpenID.  Most importantly, email addresses.  Dirk just wrote a great blog post explaining "Email Addresses as OpenIDs" which goes into the nitty gritty.  Basically, this all just needs a finalized XRD spec to rely on, and adoption of same (and ability to use acct: URIs) in the next rev of the OpenID specification.  The upcoming IIW will be an great opportunity to make some progress on these.

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The problem with creation date metadata in PDF documents

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http://www.msnbc.com/rachel-maddow/watch/maddow-to-news-orgs-heads-up-for-hoaxes-985491523709

There's a lot to unpack there but it looks like somebody tried to fool MSNBC into running with a fake accusation based on faked NSA documents, apparently based on cloning the document the Intercept published back on 6/5/2017, which to all appearances was itself a real NSA document in PDF form.

I think the main thrust of this story is chilling and really important to get straight -- some person or persons unknown is sending forged PDFs to news organization(s), apparently trying to get them to run stories based on forged documents.  And I completely agree with Maddow that she was right to send up a "signal flare" to all the news organizations to look out for forgeries.  Really, really, really import…
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Personal Web Discovery (aka Webfinger)

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The Personal Web Discovery Problem:  Given a person, how do I find out what services that person uses?
This does sound trivial, doesn't it?  And it is easy as long as you're service-centric; if you're building on top of social network X, there is no discovery problem, or at least only a trivial one that can be solved with proprietary APIs.  But what if you want to build on top of X,Y, and Z?  Well, you write code to make the user log in to each one so you can call those proprietary APIs... which means the user has to tell you their identity (and probably password) on each one... and the user has already clicked the Back button because this is complicated and annoying.

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