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A comment on The most surprising thing I've seen in 2009, courtesy of Etherpad. Parent comment

Re:The most surprising thing I've seen in 2009, courtesy of ... by lann on Thursday February 26, 2009 @01:19PM (#496178)
It's been done before, like the (now defunct?) BioPassword: http://www.monstersandcritics.com/tech/news/article_1295216....

If high-resolution timestamps for each keystroke aren't too much of a burden it seems like this would be straightforward to implement, given an algorithm like BioPassword's.

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Re:The most surprising thing I've seen in 2009, courtesy of ... by derwiki on Thursday February 26, 2009 @01:25PM (#496188)
It looks like BioPassword works best on short, often repeated phrases like login names and passwords. I'm not sure how it would work for larger, unpracticed blocks of text. Etherpad would also need to store information about the timing of when each key is pressed, and based on the demo it doesn't look like they're doing that.
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