Need to keep plans secret?

Investors and their assistants have won over the fears of young startups, they say, do not be afraid to reveal your ideas, all the same, ideas are worth nothing.

But the idea is part of the plan. Here is what Robert Scobble writes:

Charles Hudson says it: “why the meme is crazy talk.
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Where did that come from? Well, it’s not.

That's bulls ** t.

But here's the story. It’s a majore advantage .