By Jim Melwert

By Jim Melwert

PHILADELPHIA (CBS) — Facebook is raising the price of its IPO, a sign of high demand for the stock (see related story). But a recent poll finds half of Americans think Facebook is just a fad.

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Maybe not pet-rock kind of fad most people say, but, “most online services within a couple years kind of fade, maybe not a passing fad, but it does have a shelf-life.”

Others say the numbers tell a different story.

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“It has a billion users; I think it’s going to remain in effect for quite awhile.”

The Associated Press-CNBC poll finds about 75 percent of Facebook users say they rarely or never click on ads on Facebook.

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But, despite the findings of the opinion poll, Facebook’s IPO will likely raise 10-times more than Google’s did in 2004. And the company could be valued at 100-billion dollars, making it worth more than Disney, Kraft Foods and Ford.