Advertisers plan to put significantly more money into rich and streaming media in the next year, BUT... they are concerned about ROI and high costs. IAR reports the results of a recent survey by Jupiter Research on rich and streaming media. Rich media will account 11% of online ad spending in 2004, while streaming media will growth up to 4%. In 2005, rich media will represent 15 percent of online ad spending, and streaming will account for 6 percent.