Nearly six months since McDonald's opened its first CosMc's location, the hours-long drive-thru lines have died down, but the chain is just getting started. Since opening the initial location in the Chicago suburb of Bolingbrook, McDonald's has opened three more CosMc's restaurants, all in Texas. In another sign of the new brand's expansion, it will launch its own mobile app and loyalty program, called CosMc's Club, on Tuesday. And loyalty program members earn 10 points for every dollar they spend; once they rack up 400 points, they can redeem them for $2 rewards. CosMc's buzz dies downAt McDonald's December investor presentation, Kempczinski downplayed the short-term effect of CosMc's.

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Persons: McDonald's, Chris Kempczinski, Katie Belflower, CosMc's, Mark Kalinowski, Kempczinski, we're, Frappes, Weeks, Kalinowski, Amelia Lucas Organizations: Lone Star State, CosMc's, Kalinowski Equity Research, CNBC, Intouch Locations: Chicago, Bolingbrook, Texas, McDonald's, Illinois