Nielsen estimates that spending by the top 10 web advertisers dropped from August to September, largely due to a big decline from a mortgage-related advertiser. Lots of caveats here, which we discussed in some detail yesterday, but it’s hard to argue that this news is good. September is usually a bigger advertising month than August, so the drop is startling.
Spending by Top 10 Web Advertisers, June-Sept (Nielsen, 000s)
Details with data by advertiser here.
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