The worldwide economic downturn put a damper on consumer demand for televisions, according to NPD DisplaySearch's Quarterly Global TV Shipment and Forecast Report. High inventory levels meant that shipments for 2011 are exepected to be flat compared with 2010. The good news is that there are signs of improvement, and the forecast is for a modest increase of 2% in 2012, reaching 254 million units. [Source: NPD DisplaySearch Advanced Quarterly...