The lack of a public market for the shares at the time of exercise may prevent a contemporaneous sale to produce cash to cover tax liabilities or to immediately recoup the exercise price paid by the option holder.

FORBES: Stock Options: A Strategic Weapon For Growth

Just in case you missed it the first time around, or fell off your chair and forgot what you were reading about: Sony will lose the equivalent (or more) to the retail price of a competing console every time a cash register rings up a PS3 sale this holiday.

ENGADGET: Sony losing mad loot on each PS3