MasterCard's head of mobile, Mung Ki Woo, will appear on Twitter next week for an open question and answer session on mobile payments. Woo will field questions tweeted at @MungKiatMC for 30 minutes from 11:00...

Read the rest of MasterCard to host Twitter Q&A at NFC World.

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MasterCard's head of mobile, Mung Ki Woo, will appear on Twitter next week for an open question and answer session on mobile payments. Woo will field questions tweeted at @MungKiatMC for 30 minutes from 11:00...

Read the rest of MasterCard to host Twitter Q&A at NFC World.

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