Respect the king of delivery.

Fast-food giants, including McDonald's Corp. (MCD) and Dunkin' Brands Group Inc.'s (DNKN) Dunkin' Donuts, have finally started entering the delivery game. But make no mistake, Domino's Pizza Inc. (DPZ)  has got it down to a science, literally. 

From being the first to launch ordering options through social media sites like Twitter Inc. (TWTR) to revolutionizing with the "pizza tracker," Domino's has always been one step ahead of the competition in creating innovative delivery services. And its rivals have taken note.

Following in Domino's footsteps, Papa John's Int.'l Inc. (PZZA) announced, in its Tuesday, Aug. 1, second-quarter earnings report, that it's debuting a direct ordering option through Facebook Inc. (FB) . After Papa John's announced it would buy back $500 million in stock, its shares soared, up 10%, to $78.64, in mid-afternoon trading Wednesday.

In May, struggling Yum Brands' (YUM) Pizza Hut launched its own pizza tracker. 

For Domino's, its advanced approach to tech and delivery has shown in its financial results, at least in the U.S. For its recent second quarter, Domino's reported that its domestic same-store sales popped 9.5%, compared to Papa John's tepid 1.4% rise for the period ended June.

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