By the end of their trip, Mr. Archer and his team will have traveled nearly 50, 000 miles through 39 countries, four continents and a blur of time zones, crossing more than 40 international borders.

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"Next-generation games blur the lines between real and virtual worlds more than ever before, " he said.

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Ewallets will also blur the line between simple loyalty points and more widely-accepted virtual currencies.

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