So SanDisk is set to release “something big” on March 23rd. What is it? Your guess is good as ours. But if I had to wager a bet, I’d put my money on a wireless thumb drive, such as the AirStash. After all, iPhone accessories are all the rage and with over 45 million on the market, it’s seems like a logical product, especially seeing as SanDisk memory cards are useless on the iPhone.