As long as LibX is free and not being used as a way to drive Amazon
revenue, I don't see how it could be considered to be commercial.

We've studied our logs pretty carefully. Most of the sites that have
exceeded the limit we set were commercial sites doing bulk harvest.

You can track the xISBN use by LibX by getting an affiliate id.

Eric

At 2:32 PM -0400 5/9/07, Godmar Back wrote:
>Interesting.
>
>Thom Hickey commented a while ago about LibX's use of xISBN (*): "I
>suspect that eventually the LibX xISBN support will become both less
>visible and more automatic."
>
>We were indeed planning on making it more automatic. For instance, a
>user visiting a vendor's page such as amazon might be presented with
>options from their library catalog, based on related ISBN found via
>xISBN.
>
>Would that qualify as noncommercial use?  For instance, if LibX with
>this feature were installed on a public library machine, 500 requests
>per day might be easily exceeded. Matters would be even worse if
>multiple library machines were to share an IP because they are hidden
>behind a NAT device or proxy.
>
>- Godmar
>
>(*) http://outgoing.typepad.com/outgoing/2006/05/libx_and_xisbn.html

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