About 37 million ultra-mobile devices (UMDS), led by Apple’s iPad 2, will ship in the United States during 2011. This category represents devices on a continuum bordered by laptop PCs and smartphones, consisting of ultra-mobile PCs (UMPCs), mobile Internet devices (MIDs), netbooks and media tablets. The revenue value from vendor shipments of UMDs into US sales and distribution channels during 2015 is forecast to top $24 billion.
As you can imagine tablets dominate this category with 75% of total UMD shipments in the U.S. However, ABI points out that no UMD segment type has ever sustained a lead for longer than 36 months in any part of the world, and this could be the case with tablets as well.
For instance, netbook shipments will steadily decline over the next five years from all-time highs of 9.9 million units shipped in 2010. As such, they will shift from highly competitive computing and mobile broadband markets to countries where low computing and home broadband penetration offers the greatest potential for mobile computing…
And you can get additional information from ABI Research’s study titled “Ultra Mobile Devices in the US Market.”