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A comment on Ask HN: What is the biggest untapped opportunity for startups?. Parent comment

Re:Ask HN: What is the biggest untapped opportunity for star... by erelde on Monday February 06, 2017 @07:18AM (#13578760)
I say that because: depending on those factors (and some others like lense type, focus etc) the difference between the angle eye/screen and eye/camera is insignificant...

You just have to draw a schema to understand.

3 to 5 meters is a good distance for a video conference.

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Re:Ask HN: What is the biggest untapped opportunity for star... by btmorex on Monday February 06, 2017 @10:59AM (#13580616)
Interesting that you think it's insignificant. A lot of group photos are taken at 3 to 5 meters away and it's immediately obvious who's looking directly into the camera and who isn't...
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Re:Ask HN: What is the biggest untapped opportunity for star... by metafunctor on Monday February 06, 2017 @09:18AM (#13579565)
It's not insignificant. Humans are pretty good in determining whether someone is making eye contact or not. At 5 meters, we can easily detect a 10cm deviation in gaze direction [1].

Also, I'd like to be (or feel like I am) much closer than 5 meters when talking with someone.

[1] http://tachilab.org/content/files/publication/tp/imai200604P...

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