CDR-Zone.com posted a review on ATP's Petito, the smallest USB flash drive in the world.

Designed primarily for mobile professionals, Petito is a reliable, an exceptionally high-speed and a high-capacity flash drive, featuring up to 30 MB/s (200X) data transfer rate and containing up to 1GB data storage. Measuring at just 1.43" x 0.69", not only is Petito ideal for transporting data, digital images, and presentations, it is also perfect for you to carry on your keychain, mobile phone, or for you to wear as your necklace.

ATP Petito 1GB flash drive review