It becomes even more so if you add the ability to engage the user in a conversation about a product he is interested in or loves.

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David Kirkpatrick, Techonomy founder and author of the The Facebook Effect, led a conversation about the fusion of user experience and monetization.

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Using a Bluetooth phone connection, the user can answer phone calls and end a conversation with the push of a button.

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And in a conversation February 2 with an avid Facebook user, I learned that she keeps the site on her computer all day while at work and in her free time she looks at photos and checks on the evolving status of her friends.

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Adding some simple brains to the antennas on both sides of the conversation can make the signals between the base station and the user more direct.

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One of the most interesting trends popping up in the conversation with Mr. Palli was that two years ago, an iPhone user was worth more than twice as much as an Android smartphone user in revenue generation.

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Any conversation related to taxes is likely to be heated, and the discussion over aviation user fees is no exception.

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