|
|
||
|
Le 21 mai 08 à 16:30, Tony Finch a écrit :
On Tue, 20 May 2008, Joseph Stewart wrote:1. PDF with embedded unique serial number per purchaserThat's what the Pragmatic Programmers do for the electronic editions oftheir books.
IIRC, http://www.apress.com uses something like the purchaser's email address as a password.
-- Bertrand Mansion Mamasam Work : http://www.mamasam.com Blog : http://golgote.freeflux.net