Worldwide, there were 2.8 mln digital frames shipped in 2006, and the average selling price was $168, according to IDC. By 2011, IDC said, shipments will increase to 42.3 mln units, with US shipments representing 54% of the market. In 2006, IDC said, the 5-to-6.9″ frame category made up the bulk of the marke, but the 7-to-8.9″ category will dominate in 2007 and retain the top spot throughout 2011.