Today dominance in the pizza industry is synonymous with digital innovation and Domino's has taken up the challenge with its new "tweet-to-order" system for U.S. customers.

USAtoday.com reports beginning May 20, Domino's, the pizza delivery behemoth, will roll out its latest online initiative.Domino's will be the first major player in the restaurant industry to use Twitter on an ongoing basis to place and complete an order. The chain's regulars will be able to order by tweeting only the pizza emoji to @Dominos.

Read more about Domino's digital shot across the bow of the major pizza chains.