• CNet, Tuesday, August 19, 2008 9:45 AM

NBC executives are delighted at the network's impressive Olympic performance, but some advertisers don't seem to be happy with the returns they are getting from the network's NBCOlympics.com.

Net blogger Chris Matyszczyk writes that word of mouth in the business is that several NBC advertisers have been discreetly trying to buy space on Olympic sites other than NBC's. "Interesting numbers have emerged from comScore that suggest that Yahoo's Olympic sections actually had more unique users in the U.S. in the week ending August 10 than NBC's site--8 million for Yahoo compared to 6.7 million for NBC."

Perhaps a number of online users are unhappy that NBC is withholding some popular sports and some live coverage for prime-time TV--and those users are going elsewhere, making NBC's private projections fall short, says Matyszczyk.

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