So how do you know if your best supplier or customer is about to hit the skids?

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So how do you know if open innovation will work for a particular company?

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So how do you know you wouldn't have gotten this information sooner had you brought in another interrogator?

WHITEHOUSE: Press Briefing by Deputy Press Secretary Bill Burton

So how do you know whether your snoring is something more serious?

CNN: Heavy snoring can be a danger sign

So how do you know what people around you know?

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So how do you know if so-called longevity risk will cause you financial problems or if your heirs may be asked to foot the bill if you run out of money?

FORBES: Managing Your "Tail-End" Risk - Part 1: The Risk that You May Outlive Your Assets

So how do you know whether you have enough?

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So, how do you know which language to choose?

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So, how you do know if your ads are working?

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"Quite honestly, for the first 100 miles or so, I won't be aggressive at all because it's just a matter of getting in the flow and getting back to what you know you know how to do so well, " Waltrip said.

NPR: Edwards Gets Pole After Rain Washes Out Qualifying

For example, if someone from "IT support" calls you and asks for your password so they can help fix your problem, how do you know they haven't called everyone else in the building first until they found you who has really got a problem?

BBC: Viewpoint: How hackers exploit 'the seven deadly sins'

So how do you square that just, you know, his record using somebody else's tactics with what he said this morning?

WHITEHOUSE: Press Briefing by Deputy Press Secretary Bill Burton

With so many changes and lots of choices, how do you know if you're flying with the right program?

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So with that, do you know anything of how the President is communicating, how is he getting information from AFRICOM?

WHITEHOUSE: Press Briefing

So now that you know the most common mistakes, how do you avoid them?

FORBES: Eight Common Tax Filing Errors And How To Prevent Them

So how do you get employees to think like owners when they're not and know they never will be?

FORBES: Creative destruction 101

So what do you need to know about the admissions interview, and how can you best impress the school?

FORBES: 10 Tips for Acing the MBA Interview

So how do you get employees to think like owners when they're not and know they will never be?

FORBES: Creative destruction 101

"How Do You Know" asks really good questions but doesn't so much answer them as toss the ball from player to player until the clock runs out.

CNN: Review: 'How do you know' when a movie doesn't connect?

That's going to be really important to address and so that people understand the difference between wealth and income and, you know, how do you build savings over time and how do you build assets over time?

NPR: Women Of Color Lag Behind In Wealth