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For the definition of "wantrepreneur," look no further than the founders of, a lifecasting Web-video startup you've likely never heard of — probably for lack of nude lesbians. Here's what you should know about Ustream: Twice in its short history, an investor in the company has felt compelled to take over.

First there was angel investor Chris Yeh, who stepped in to guard his investment as CEO. Later, he gave way to Esurance founder and investor Chuck Wallace. "I give Ustream three months before it implodes," a tipster tells us. "The two founders have no Web experience, are money-hungry and think they are geniuses for taking [somebody elses]'s idea." Merriam-Webster couldn't have put it better.