What will happen if the technology becomes invisible? Asking themselves, designers Yookyung Shin and Hanhsi Chen at Logical Art have created these dazzling Empty Memory sticks: Structure and Transparency. Each of them is made of high-quality stainless steel. The inner part contains a high-speed 4GB Samsung flash.

Empty Memory Transparency 4GB USB Flash Drive, $89.99;
Empty Memory Structure 4GB USB Flash Drive, $89.99
Also available from here.