Rumors began swirling last week, and late on Friday evening, the big fast food news became official.Inspire Brands and Dunkin' Brands announced that the two restaurant giants would merge into one entity.Inspire bought out Dunkin' for around $11.3 billion.Inspire restaurants are spread across five brands: Arby’s, Buffalo Wild Wings, Sonic Drive-In, Rusty Taco, and Jimmy John’s.The move continues what has been a meteoric expansion of Inspire Brands, which technically only launched in 2018.What all of this moving and shaking means for Dunkin' is yet to be seen. .But new ownership could certainly accelerate the chain's push to become America’s coffee king