Dell introduced its Dell Adamo subnotebook. One notable example of a subnotebook is the Apple MacBook Air. The Asus Eee PC is a subnotebook/netbook computer. The Libretto was a line of subnotebook computers designed and produced by Toshiba. The company's first version of subnotebook computer is the OQO model 01. In 2003, Vulcan began developing the Vulcan FlipStart, a subnotebook with a 5.6-inch screen. The Vaio VGN-TX2 was a subnotebook, or ultraportable, computer made by Sony. The Samsung NC10 is a subnotebook/netbook computer designed by Samsung. The Samsung N130 is a subnotebook/netbook computer designed by Samsung. The Psion netBook is a small subnotebook type computer developed by Psion. Additionally, the Asus U2E subnotebook includes a "Micro-DVI" port. These were mid-size notebooks, not ultra-portable subnotebook computers. The Psion Series 7 is a subnotebook computer from Psion that was released in 2000. S series line starts with a S10 laptop, low-cost, Intel Atom powered 10.2 inch subnotebook.