blink(1): Lights. Computer. Some sort of action!
The blink(1) is an LED light that plugs into your computer's USB port, and by light colour, brightness or pattern, alerts you of events and statuses.
USB flash drive
Griffin USB Reserve Power – go forth, ready to charge
The Griffin USB Reserve Power, has an internal 950 mAh lithium-ion battery, and will provide emergency power for many portable devices.
iTwin – split personality, shared data
The iTwin looks like a couple of connected USB flash drives, but its trick is not data storage, rather it is data connection.