https://www.engadget.com/2007-03-09-asus-w5fe-sideshow-laptop-and-u1f-ultra-portable-shipping-this.html
ASUS' W5Fe SideShow laptop and U1F ultra-portable shipping this month (in Japan)
Mar 9, 2007 - Man, that didn't take long. ASUS' W5Fe SideShow-enabled laptop and 2.2-pound U1F with LED backlit display -- both unveiled as prototypes during January's CES...