But the reality, the report said, is that only 7% of U.S. households who use the Web want the services aggregation technology can provide. In many cases, consumers are afraid to disclose the passwords and usernames for their financial accounts, which is necessary for services like T. Rowe Price's to function.

"Financial firms are blindly rushing into aggregation without a solid business model and they won't succeed," said Catherine Graeber, a senior analyst at Forrester.

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