is it possible to learn D(2)?

[Andrej Mitrovic]

On 12/19/10, lurker <lurk at lurk.net> wrote:
> Does this mean that Facebook is not paying you that well, after all? I could
> donate like $82 to you to give away three more books. No need to mention my
> name, after all I'm just helping the poor.
>

I'm pretty sure it means he got a couple of free books from the
publisher to give away for free. ;)