Buffalo announced a new USB flash drive that pushes the limits of how small these drives can get, giving similarly sized flash-storage cards a challenge. The Buffalo RUF2-PS packs up to 16 GB of data in 18 (W) x 18 (H) x 8 (D) mm, and comes in variants of 2, 4, 8, and 16 GB. It is truly feather-weight at 3 g. The drive is so compact that the a couple of these could stay latched on to a notebook even when carrying it around. It uses a standard USB 2.0 interface. Its transfer rates or availability haven't surfaced.