
A 27% decline in image-based online ad spending by financial services companies drove a 6% year-over-year decrease in total image-based online advertising and a 9% slide in image-based impressions in the first half of 2008, according to Nielsen Online.

The financial services industry, which is consistently among the top online advertiser segments, spent an estimated $1.1 billion during the first two quarters, compared with $1.5 billion during the same period in 2007. The public services industry - historically a smaller advertising segment - also contributed to the decrease, declining 38%.
A number of industries, however, did show strong growth in online advertising: