We've asked both Valve and Ubisoft for their responses and will let you know if they say more. Some users say they've received refunds, but that's not much comfort if you were determined to get Sam Fisher's adventures at a discount. And no matter what, it's clear that there wasn't adequate planning. You don't run a sale when you're unprepared to handle the inevitable increase in demand, especially not in a digital era when customers simply expect software to be available.