Facebook will be able to pinpoint on a map where your home is, whether you share your personal address with the site or not.

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Spending most of your waking hours elsewhere surely would confound data collection focused only on where your residential address is located.

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It tries to figure out your home address by detecting where the device is during most nights.

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The ready-aim-fire traditional approach works best in more mature markets, where your strategy is to add features and value to competitive products, or address an underserved new segment of the marketplace.

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Type in "Paypal.com, " for instance, and the DNS server owned by your broadband provider converts that name into the Internet Protocol address where the site is hosted.

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