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A comment on Ask HN: Why can’t I block all incoming calls that aren’t in my contact list?. Parent comment

Re:Ask HN: Why can’t I block all incoming calls that aren’t ... by umvi on Wednesday January 30, 2019 @10:44AM (#19035950)
You should read the book "Ghost in the Wires" by Kevin Mitnick. It will really open your eyes as to what is possible with phones.
[ Parent | on HN ]
Re:Ask HN: Why can’t I block all incoming calls that aren’t ... by wittedhaddock on Wednesday January 30, 2019 @10:57AM (#19036101)
can I borrow your copy? I will pay shipping to and fro' :)
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Re:Ask HN: Why can’t I block all incoming calls that aren’t ... by umvi on Wednesday January 30, 2019 @11:58AM (#19036831)
Sure! But honestly, it will probably be cheaper for you to just buy it from Amazon for $8. Or, read it for free using Overdrive (if you have a Kindle/ereader).
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Re:Ask HN: Why can’t I block all incoming calls that aren’t ... by wittedhaddock on Wednesday January 30, 2019 @12:41PM (#19037275)
But this way I get to bug you about my discoveries and compare interpretations with yours... the knowledge comes with instruction hehe
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