>since if it's so awesome why keep it secret? Because if Facebook or Google says "I'll take every drive you can make for the next year", you've got guaranteed

>since if it's so awesome why keep it secret? Because if Facebook or Google says "I'll take every drive you can make for the next year", you've got guaranteed minimum revenues for the next 12 months. If you tell them they can only have half, and you release the other half to the retail market, they may or may not sell in the quantities you're hoping for. And you will likely loose the contract for goog/fb.