http://www.gizmag.com HP has burst forth and launched a range of multi-touch computing products comprising three new TouchSmart PCs and a fully-functional interactive 42-inch HD digital signage display, the HP LD4200. The company has also upgraded its multi-touch notebook range with new touch features.en gizmag.com http://www.gizmag.com/hp-touchsmart-pcs-hd-digital-display/13112/#comment-9379 http://www.gizmag.com/hp-touchsmart-pcs-hd-digital-display/13112/#comment-9379 Thu, 15 Oct 2009 20:17:46 -0500