Given how fast the market conditions can change, especially for e-books, it's wise not to tie up your rights for too long. (authorsguild.org)
During normal market conditions, all open positions will be closed immediately (during fast market conditions, your position could be closed beyond your stop loss level). (babypips.com)
How fast the market grows for e-books, and therefore e-readers and other devices, is an open question. (computerworld.com)