A computer in your pocket – The Nokia N900 is here! WhitePlains, N.Y., USA — Nokia today announced that the highly anticipated Nokia N900 is now on sale in the United States and shipping to consumers who jumped on the opportunity to be among the first to pre-order the Maemo-powered mobile computer. With the Linux-based Maemo platform and with multiple ways to connect to the Internet, the Nokia N900 enables users to be online as it happens with a powerful computer in the palm of their hands….