At CES the bigger companies give out their press kits on USB drives, and even on memory cards (got two of those!), and they also just give away USB drives to people who stop by to see them. In total I received 8 USB drives at CES, along with the 2 memory cards, one of the memory cards was a microSD from Sandisk with the adapter, it had their press kit and an album from The Rolling Stones on it, the other was a standard SD memory card from Simpletech.
Check out the full article at Think Computers.