Twitter (like so many modern innovations) would have solved a problem they didn't have.

The telephone is described as a modern innovation.

This is a modern innovation; pre-modern Arabic did not use punctuation.

Across the corridor from the single bedroom was the modern innovation of an indoor closet.

Sitting prominently on a corner in the center of town it featured the most modern innovations, including electricity and even an elevator.

Certain modern innovations may be more highly esteemed than others.

A parking garage, a modern innovation for the time, was also included in the construction of the building.

The ring bearer as a separate role is a relatively modern innovation.

But many of the modern innovations are slightly off.

These scenes are in contrast to the modern innovations of the 1950s that were happening all around him.