Reuters IndiaGroupon newest deal to reward customer loyaltyBoston GlobeAP Technology Writer / September 28, 2011 SAN FRANCISCO—Groupon has come up with another way for bargain hunters to save money as the online coupon distributor prepares to raise money from wary investors. The additional savings will ...Groupon rolls out loyalty program to help businesses keep daily deal customersChicago TribuneGroupon newest deal to reward customer loyaltyKTAR.comGroupon Sales People Tell Us If The Business Is Still Growing Or NotSan Francisco ChronicleDaily Deal Mediaall 109 news articles »