Including additional information like upcoming events, public holidays, and etc.} DUPipeline_QISnippet_FirstGoodLong_Snippet_v1: {},{-1|-1|1|Get Know how many days until April 25 2016 with an awesome exact countdown timer.
Most expensive computer keyboards. First in the list is Happy Hacking Keyboard Professional HP Japan. A keyboard coated with the Japanese lacquer known as Urushi using a special brush made from the hairs of virgins, and then powdered with gold dust! The keyboard can be bought at a whooping price $ 4500 approximately.
In 1988, US patent no. 4751505 was issued for an optical mouse invented by Lisa M. Williams and Robert S. Cherry, which was to be sold commercially with Xerox products, such as the Xerox STAR. This mouse was produced for $17 and sold for $35. Despite this, it wasn't until around 1998 that optical mice became a commercially viable alternative to the ball mouse and infiltrated the mass consumer market. , thanks to the increase in microcontroller processing power and the reduction in component costs.