> > So given the example below, "10110"
> > means that the person can view books 1, 3, and 4,
> > but not 2 or 5. dig?
> Explain that to me... I know binary, but I can't see
> how that equates to 1, 3, and 4.
Because you know binary :-)
The above is a series of yes/no flags, not a binary number. Reading from
left to right:
book 1 : yes
book 2 : no
book 3 : yes
book 4 : yes
book 5 : no
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