The Democratic National Convention did more than confirm Barack Obama's seal on the party's presidential nomination in August. Denver was also a coming-out party of sorts for First Data's near-term answer to the drive toward near-field communications technology.

First Data used the national setting to issue thousands of DNC lapel pins using its new GO-Tag contactless payments features-an NFC "sticker"-which included $10 in preloaded value allowing the delegates to buy concession-stand fare between the convention speeches at the Pepsi Center and Invesco Field.

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