Sharp has introduced a new and tiny netbook called Sharp PC-Z1 Netwalk. The Sharp PC-Z1 Netwalk netbook is a really small (161.4 x 108.7 x 19.7 – 24.8mm and 409 grams). This latest netbook is equipped with a tiny 5-inch screen with a 1024 × 600 resolution and touch. It has an ARM Cortex-A8 processor, 512 Mbytes of RAM, OS Ubuntu, 4 Gbytes of storage and expandable via MicroSD cards up to 16GB. The device features Wi-Fi 802.11b / g but no 3G SIM card module. The Sharp PC-Z1 will go on sale in Japan on September 25 at a cost 44,800 yen (335 euros).