GROUPM FORECASTS GLOBAL AD SPENDING TO SURPASS $500 BILLION IN 2011

Revised Report Also Reveals Significant Uptick In 2010 Expenditures

GROUPM FORECASTS 16 PERCENT AD SPENDING INCREASE FOR CHINA IN 2010

New Report Also Predicts 11 Percent Hike for 2011

2010 TYNY UK Forecast Revised Up From -3 Percent to Zero

Revised Global TYNY Report Predicts 6.6 Percent Fall in 2009, Modest 0.8 Percent Increase in 2010