trying to crack Coca-Cola's monopoly at certain fastfood ... Wendy's red hair is now streaked with Pepsi blue and the Burger King logo is simply altered to read 'This is Pepsi'.

A Southern California woman noticed that Pepsi has become much more popular than Coca-Cola at her local Costco. There's a reason for that.

Costco announced that it will switch from Pepsi to Coca-Cola products at its food courts "this summer" at an annual shareholder meeting Thursday.