There's a slew of ARM-based devices coming to the market from netbooks to smartphones, but for Linux users the ARM platform has traditionally struggled as its rather fragmented between the hardware and software. Mark Shuttleworth has a blog post
describing this fragmentation and challenge for software developers to target ARM devices, but fortunately there is a cure. In that same post, Mark announces Linaro and his hopes for this industry project.
Linaro is a joint venture between Freescale, IBM, Samsung, and others, and it seeks to unify Linux on ARM. Linaro.org
is this new project's web-site that describes their hopes and open activities. Ubuntu, among other Linux distributions, should end up benefiting from the greater standardization on ARM hardware.