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A video screen displays a new payment service introduced by Google Inc. at an event in New York, U.S., on Thursday, May 26, 2011. Google Inc. unveiled a service to let consumers pay merchants and download coupons with a tap of their mobile phones, as the Internet search giant seeks to expand in the growing market for mobile advertising. Photographer: Guy Calaf/Bloomberg
Guy Calaf/Bloomberg
(Image: Bloomberg News)
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conceptual photo of a group of business people as they cross the finish line of a race
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First to Market

Google launched its mobile wallet roughly a year ahead of competitors such as Microsoft, Apple and Isis. For better or worse, all eyes were on Google as it navigated the rough waters of mobile point-of-sale payments. (Image: ThinkStock)
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Computer Password Security
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Security Woes

Google faced early criticism for security issues that allowed users to reset the Google Wallet's PIN or to access stored funds on a modified phone. It quickly fixed these issues, which were tied to the Google-branded virtual prepaid card. (Image: ThinkStock)
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Customer Becki Sherwood checks the Google Inc. Fiber broadband network programming after installation on a Nexus 7 tablet device in Kansas City, Kansas, U.S., on Tuesday, Nov. 27, 2012. Google Inc. will move a step closer to offering the fastest citywide Internet service in the U.S. when it picks the first neighborhoods in Kansas City to get hooked into a new fiber-optic network. Photographer: Julie Denesha/Bloomberg *** Local Caption *** Becki Sherwood
Julie Denesha/Bloomberg

Nexus 7

Carriers have resisted offering Google Wallet on phones, but the WiFi-only Nexus 7 tablet doesn't require a carrier's buy-in. Google added its mobile wallet to the tablet in July. (Image: Bloomberg News)
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A video screen displays a new payment service introduced by Google Inc. at an event in New York, U.S., on Thursday, May 26, 2011. Google Inc. unveiled a service to let consumers pay merchants and download coupons with a tap of their mobile phones, as the Internet search giant seeks to expand in the growing market for mobile advertising. Photographer: Guy Calaf/Bloomberg
Guy Calaf/Bloomberg

Party of One

Google Wallet launched with Citi as its first and only partner. Citi is a longtime early adopter, having supported or tested technologies such as the Google Checkout online payment system, the Obopay mobile payment system and the Dynamics high-tech payment card. But without a major change, Google wasn't able to attract other issuers. (Image: Bloomberg News)
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Piggy banks standing row by row
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The Floodgates Open

Google Wallet originally required a long integration with its bank partners. But an August change put this process in consumers' hands instead. At that point, banks simply had to provide card art and other basic details, leading many to finally lend their support to Google Wallet. (Image: ThinkStock)
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The Google Inc. Mobile Wallet application for cardless payment is displayed on a smartphone screen at the Mobile World Congress in Barcelona, Spain, on Wednesday, Feb. 29, 2012. The Mobile World Congress, operated by the GSMA, expects 60,000 visitors and 1400 companies to attend the four-day technology industry event which runs Feb. 27 through March 1. Photographer: Chris Ratcliffe/Bloomberg
Chris Ratcliffe/Bloomberg

Prepaid Fades

Google initially used a virtual prepaid card to allow non-Citi issuers' cards to work with its mobile wallet. With the August change to the Wallet app, this Google-branded card was no longer necessary. Google removed the prepaid card in October. (Image: Bloomberg News)
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Business people racing
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Rivals Catch Up

This year, Google faced new competitors. The mega-merchants announced the Merchant Customer Exchange venture, which would offer a competing wallet; and Isis launched its long-awaited pilot in Salt Lake City and Austin, Texas. (Image: ThinkStock)
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Account balance
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Power of Plastic?

Google is reportedly planning to offer a plastic card as a companion to its mobile wallet. The card may attract more mobile-wallet users, but it may also wind up largely ignored by customers — just like the plastic card PayPal offers with its own digital wallet. (Image: ThinkStock)
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Crystal Ball
Noel Baebler/Getty Images/iStockphoto

Predictions

What is Google planning in 2013? One analyst predicts it will begin work on a Google Bank. Another predicts the addition of a plastic card to Google Wallet will make the mobile-pay system a stronger competitor to banks. (Image: ThinkStock)
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