Linux has been mentioned as a potentially leading platform for mobile devices for as long as there have been mobile devices. However, mobile Linux is still largely missing in action. The new crop of high-visibility smart phones such as the Samsung BlackJack, the Nokia E62 and the Treo 680 are based on Microsoft’s Windows Mobile, the Symbian and the aging Palm OS platforms. So why are some in the mobile industry saying, once again, that Linux is on the brink of becoming a significant platform for advanced mobile devices such as smartphones? And why should anybody but industry insiders and geeks care? “Linux has had peaks and troughs in the mobile industry, but it’s looking quite positive at the moment,” said Matt Lewis, research director at ARCchart. The market research company recently issued a report entitled “Linux: The New OS Celebrity.”